xref: /openbmc/qemu/configure (revision 9a48e367)
1#!/bin/sh
2#
3# qemu configure script (c) 2003 Fabrice Bellard
4#
5
6# Unset some variables known to interfere with behavior of common tools,
7# just as autoconf does.
8CLICOLOR_FORCE= GREP_OPTIONS=
9unset CLICOLOR_FORCE GREP_OPTIONS
10
11# Don't allow CCACHE, if present, to use cached results of compile tests!
12export CCACHE_RECACHE=yes
13
14# Temporary directory used for files created while
15# configure runs. Since it is in the build directory
16# we can safely blow away any previous version of it
17# (and we need not jump through hoops to try to delete
18# it when configure exits.)
19TMPDIR1="config-temp"
20rm -rf "${TMPDIR1}"
21mkdir -p "${TMPDIR1}"
22if [ $? -ne 0 ]; then
23    echo "ERROR: failed to create temporary directory"
24    exit 1
25fi
26
27TMPB="qemu-conf"
28TMPC="${TMPDIR1}/${TMPB}.c"
29TMPO="${TMPDIR1}/${TMPB}.o"
30TMPCXX="${TMPDIR1}/${TMPB}.cxx"
31TMPL="${TMPDIR1}/${TMPB}.lo"
32TMPA="${TMPDIR1}/lib${TMPB}.la"
33TMPE="${TMPDIR1}/${TMPB}.exe"
34TMPMO="${TMPDIR1}/${TMPB}.mo"
35
36rm -f config.log
37
38# Print a helpful header at the top of config.log
39echo "# QEMU configure log $(date)" >> config.log
40printf "# Configured with:" >> config.log
41printf " '%s'" "$0" "$@" >> config.log
42echo >> config.log
43echo "#" >> config.log
44
45error_exit() {
46    echo
47    echo "ERROR: $1"
48    while test -n "$2"; do
49        echo "       $2"
50        shift
51    done
52    echo
53    exit 1
54}
55
56do_compiler() {
57    # Run the compiler, capturing its output to the log. First argument
58    # is compiler binary to execute.
59    local compiler="$1"
60    shift
61    echo $compiler "$@" >> config.log
62    $compiler "$@" >> config.log 2>&1 || return $?
63    # Test passed. If this is an --enable-werror build, rerun
64    # the test with -Werror and bail out if it fails. This
65    # makes warning-generating-errors in configure test code
66    # obvious to developers.
67    if test "$werror" != "yes"; then
68        return 0
69    fi
70    # Don't bother rerunning the compile if we were already using -Werror
71    case "$*" in
72        *-Werror*)
73           return 0
74        ;;
75    esac
76    echo $compiler -Werror "$@" >> config.log
77    $compiler -Werror "$@" >> config.log 2>&1 && return $?
78    error_exit "configure test passed without -Werror but failed with -Werror." \
79        "This is probably a bug in the configure script. The failing command" \
80        "will be at the bottom of config.log." \
81        "You can run configure with --disable-werror to bypass this check."
82}
83
84do_cc() {
85    do_compiler "$cc" "$@"
86}
87
88do_cxx() {
89    do_compiler "$cxx" "$@"
90}
91
92update_cxxflags() {
93    # Set QEMU_CXXFLAGS from QEMU_CFLAGS by filtering out those
94    # options which some versions of GCC's C++ compiler complain about
95    # because they only make sense for C programs.
96    QEMU_CXXFLAGS=
97    for arg in $QEMU_CFLAGS; do
98        case $arg in
99            -Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\
100            -Wold-style-declaration|-Wold-style-definition|-Wredundant-decls)
101                ;;
102            *)
103                QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg
104                ;;
105        esac
106    done
107}
108
109compile_object() {
110  local_cflags="$1"
111  do_cc $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC
112}
113
114compile_prog() {
115  local_cflags="$1"
116  local_ldflags="$2"
117  do_cc $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC $LDFLAGS $local_ldflags
118}
119
120# symbolically link $1 to $2.  Portable version of "ln -sf".
121symlink() {
122  rm -rf "$2"
123  mkdir -p "$(dirname "$2")"
124  ln -s "$1" "$2"
125}
126
127# check whether a command is available to this shell (may be either an
128# executable or a builtin)
129has() {
130    type "$1" >/dev/null 2>&1
131}
132
133# search for an executable in PATH
134path_of() {
135    local_command="$1"
136    local_ifs="$IFS"
137    local_dir=""
138
139    # pathname has a dir component?
140    if [ "${local_command#*/}" != "$local_command" ]; then
141        if [ -x "$local_command" ] && [ ! -d "$local_command" ]; then
142            echo "$local_command"
143            return 0
144        fi
145    fi
146    if [ -z "$local_command" ]; then
147        return 1
148    fi
149
150    IFS=:
151    for local_dir in $PATH; do
152        if [ -x "$local_dir/$local_command" ] && [ ! -d "$local_dir/$local_command" ]; then
153            echo "$local_dir/$local_command"
154            IFS="${local_ifs:-$(printf ' \t\n')}"
155            return 0
156        fi
157    done
158    # not found
159    IFS="${local_ifs:-$(printf ' \t\n')}"
160    return 1
161}
162
163have_backend () {
164    echo "$trace_backends" | grep "$1" >/dev/null
165}
166
167# default parameters
168source_path=$(dirname "$0")
169cpu=""
170iasl="iasl"
171interp_prefix="/usr/gnemul/qemu-%M"
172static="no"
173cross_prefix=""
174audio_drv_list=""
175block_drv_rw_whitelist=""
176block_drv_ro_whitelist=""
177host_cc="cc"
178libs_softmmu=""
179libs_tools=""
180audio_pt_int=""
181audio_win_int=""
182cc_i386=i386-pc-linux-gnu-gcc
183libs_qga=""
184debug_info="yes"
185stack_protector=""
186
187# Don't accept a target_list environment variable.
188unset target_list
189
190# Default value for a variable defining feature "foo".
191#  * foo="no"  feature will only be used if --enable-foo arg is given
192#  * foo=""    feature will be searched for, and if found, will be used
193#              unless --disable-foo is given
194#  * foo="yes" this value will only be set by --enable-foo flag.
195#              feature will searched for,
196#              if not found, configure exits with error
197#
198# Always add --enable-foo and --disable-foo command line args.
199# Distributions want to ensure that several features are compiled in, and it
200# is impossible without a --enable-foo that exits if a feature is not found.
201
202bluez=""
203brlapi=""
204curl=""
205curses=""
206docs=""
207fdt=""
208netmap="no"
209pixman=""
210sdl=""
211sdlabi=""
212virtfs=""
213vnc="yes"
214sparse="no"
215uuid=""
216vde=""
217vnc_sasl=""
218vnc_jpeg=""
219vnc_png=""
220xen=""
221xen_ctrl_version=""
222xen_pv_domain_build="no"
223xen_pci_passthrough=""
224linux_aio=""
225cap_ng=""
226attr=""
227libattr=""
228xfs=""
229
230vhost_net="no"
231vhost_scsi="no"
232kvm="no"
233rdma=""
234gprof="no"
235debug_tcg="no"
236debug="no"
237fortify_source=""
238strip_opt="yes"
239tcg_interpreter="no"
240bigendian="no"
241mingw32="no"
242gcov="no"
243gcov_tool="gcov"
244EXESUF=""
245DSOSUF=".so"
246LDFLAGS_SHARED="-shared"
247modules="no"
248prefix="/usr/local"
249mandir="\${prefix}/share/man"
250datadir="\${prefix}/share"
251qemu_docdir="\${prefix}/share/doc/qemu"
252bindir="\${prefix}/bin"
253libdir="\${prefix}/lib"
254libexecdir="\${prefix}/libexec"
255includedir="\${prefix}/include"
256sysconfdir="\${prefix}/etc"
257local_statedir="\${prefix}/var"
258confsuffix="/qemu"
259slirp="yes"
260oss_lib=""
261bsd="no"
262linux="no"
263solaris="no"
264profiler="no"
265cocoa="no"
266softmmu="yes"
267linux_user="no"
268bsd_user="no"
269aix="no"
270blobs="yes"
271pkgversion=""
272pie=""
273qom_cast_debug="yes"
274trace_backends="log"
275trace_file="trace"
276spice=""
277rbd=""
278smartcard=""
279libusb=""
280usb_redir=""
281opengl=""
282opengl_dmabuf="no"
283avx2_opt="no"
284zlib="yes"
285lzo=""
286snappy=""
287bzip2=""
288guest_agent=""
289guest_agent_with_vss="no"
290guest_agent_ntddscsi="no"
291guest_agent_msi=""
292vss_win32_sdk=""
293win_sdk="no"
294want_tools="yes"
295libiscsi=""
296libnfs=""
297coroutine=""
298coroutine_pool=""
299seccomp=""
300glusterfs=""
301glusterfs_xlator_opt="no"
302glusterfs_discard="no"
303glusterfs_zerofill="no"
304archipelago="no"
305gtk=""
306gtkabi=""
307gtk_gl="no"
308gnutls=""
309gnutls_hash=""
310gnutls_rnd=""
311nettle=""
312nettle_kdf="no"
313gcrypt=""
314gcrypt_kdf="no"
315vte=""
316virglrenderer=""
317tpm="yes"
318libssh2=""
319vhdx=""
320numa=""
321tcmalloc="no"
322jemalloc="no"
323
324# parse CC options first
325for opt do
326  optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
327  case "$opt" in
328  --cross-prefix=*) cross_prefix="$optarg"
329  ;;
330  --cc=*) CC="$optarg"
331  ;;
332  --cxx=*) CXX="$optarg"
333  ;;
334  --source-path=*) source_path="$optarg"
335  ;;
336  --cpu=*) cpu="$optarg"
337  ;;
338  --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg"
339                    EXTRA_CFLAGS="$optarg"
340  ;;
341  --extra-ldflags=*) LDFLAGS="$LDFLAGS $optarg"
342                     EXTRA_LDFLAGS="$optarg"
343  ;;
344  --enable-debug-info) debug_info="yes"
345  ;;
346  --disable-debug-info) debug_info="no"
347  ;;
348  esac
349done
350# OS specific
351# Using uname is really, really broken.  Once we have the right set of checks
352# we can eliminate its usage altogether.
353
354# Preferred compiler:
355#  ${CC} (if set)
356#  ${cross_prefix}gcc (if cross-prefix specified)
357#  system compiler
358if test -z "${CC}${cross_prefix}"; then
359  cc="$host_cc"
360else
361  cc="${CC-${cross_prefix}gcc}"
362fi
363
364if test -z "${CXX}${cross_prefix}"; then
365  cxx="c++"
366else
367  cxx="${CXX-${cross_prefix}g++}"
368fi
369
370ar="${AR-${cross_prefix}ar}"
371as="${AS-${cross_prefix}as}"
372cpp="${CPP-$cc -E}"
373objcopy="${OBJCOPY-${cross_prefix}objcopy}"
374ld="${LD-${cross_prefix}ld}"
375nm="${NM-${cross_prefix}nm}"
376strip="${STRIP-${cross_prefix}strip}"
377windres="${WINDRES-${cross_prefix}windres}"
378pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
379query_pkg_config() {
380    "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
381}
382pkg_config=query_pkg_config
383sdl_config="${SDL_CONFIG-${cross_prefix}sdl-config}"
384sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
385
386# If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
387ARFLAGS="${ARFLAGS-rv}"
388
389# default flags for all hosts
390QEMU_CFLAGS="-fno-strict-aliasing -fno-common $QEMU_CFLAGS"
391QEMU_CFLAGS="-Wall -Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
392QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
393QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
394QEMU_INCLUDES="-I. -I\$(SRC_PATH) -I\$(SRC_PATH)/include"
395if test "$debug_info" = "yes"; then
396    CFLAGS="-g $CFLAGS"
397    LDFLAGS="-g $LDFLAGS"
398fi
399
400# make source path absolute
401source_path=$(cd "$source_path"; pwd)
402
403# running configure in the source tree?
404# we know that's the case if configure is there.
405if test -f "./configure"; then
406    pwd_is_source_path="y"
407else
408    pwd_is_source_path="n"
409fi
410
411check_define() {
412cat > $TMPC <<EOF
413#if !defined($1)
414#error $1 not defined
415#endif
416int main(void) { return 0; }
417EOF
418  compile_object
419}
420
421check_include() {
422cat > $TMPC <<EOF
423#include <$1>
424int main(void) { return 0; }
425EOF
426  compile_object
427}
428
429write_c_skeleton() {
430    cat > $TMPC <<EOF
431int main(void) { return 0; }
432EOF
433}
434
435if check_define __linux__ ; then
436  targetos="Linux"
437elif check_define _WIN32 ; then
438  targetos='MINGW32'
439elif check_define __OpenBSD__ ; then
440  targetos='OpenBSD'
441elif check_define __sun__ ; then
442  targetos='SunOS'
443elif check_define __HAIKU__ ; then
444  targetos='Haiku'
445else
446  targetos=$(uname -s)
447fi
448
449# Some host OSes need non-standard checks for which CPU to use.
450# Note that these checks are broken for cross-compilation: if you're
451# cross-compiling to one of these OSes then you'll need to specify
452# the correct CPU with the --cpu option.
453case $targetos in
454Darwin)
455  # on Leopard most of the system is 32-bit, so we have to ask the kernel if we can
456  # run 64-bit userspace code.
457  # If the user didn't specify a CPU explicitly and the kernel says this is
458  # 64 bit hw, then assume x86_64. Otherwise fall through to the usual detection code.
459  if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
460    cpu="x86_64"
461  fi
462  ;;
463SunOS)
464  # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
465  if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
466    cpu="x86_64"
467  fi
468esac
469
470if test ! -z "$cpu" ; then
471  # command line argument
472  :
473elif check_define __i386__ ; then
474  cpu="i386"
475elif check_define __x86_64__ ; then
476  if check_define __ILP32__ ; then
477    cpu="x32"
478  else
479    cpu="x86_64"
480  fi
481elif check_define __sparc__ ; then
482  if check_define __arch64__ ; then
483    cpu="sparc64"
484  else
485    cpu="sparc"
486  fi
487elif check_define _ARCH_PPC ; then
488  if check_define _ARCH_PPC64 ; then
489    cpu="ppc64"
490  else
491    cpu="ppc"
492  fi
493elif check_define __mips__ ; then
494  cpu="mips"
495elif check_define __ia64__ ; then
496  cpu="ia64"
497elif check_define __s390__ ; then
498  if check_define __s390x__ ; then
499    cpu="s390x"
500  else
501    cpu="s390"
502  fi
503elif check_define __arm__ ; then
504  cpu="arm"
505elif check_define __aarch64__ ; then
506  cpu="aarch64"
507elif check_define __hppa__ ; then
508  cpu="hppa"
509else
510  cpu=$(uname -m)
511fi
512
513ARCH=
514# Normalise host CPU name and set ARCH.
515# Note that this case should only have supported host CPUs, not guests.
516case "$cpu" in
517  ia64|ppc|ppc64|s390|s390x|sparc64|x32)
518    cpu="$cpu"
519  ;;
520  i386|i486|i586|i686|i86pc|BePC)
521    cpu="i386"
522  ;;
523  x86_64|amd64)
524    cpu="x86_64"
525  ;;
526  armv*b|armv*l|arm)
527    cpu="arm"
528  ;;
529  aarch64)
530    cpu="aarch64"
531  ;;
532  mips*)
533    cpu="mips"
534  ;;
535  sparc|sun4[cdmuv])
536    cpu="sparc"
537  ;;
538  *)
539    # This will result in either an error or falling back to TCI later
540    ARCH=unknown
541  ;;
542esac
543if test -z "$ARCH"; then
544  ARCH="$cpu"
545fi
546
547# OS specific
548
549# host *BSD for user mode
550HOST_VARIANT_DIR=""
551
552case $targetos in
553CYGWIN*)
554  mingw32="yes"
555  QEMU_CFLAGS="-mno-cygwin $QEMU_CFLAGS"
556  audio_possible_drivers="sdl"
557  audio_drv_list="sdl"
558;;
559MINGW32*)
560  mingw32="yes"
561  audio_possible_drivers="dsound sdl"
562  if check_include dsound.h; then
563    audio_drv_list="dsound"
564  else
565    audio_drv_list=""
566  fi
567;;
568GNU/kFreeBSD)
569  bsd="yes"
570  audio_drv_list="oss"
571  audio_possible_drivers="oss sdl pa"
572;;
573FreeBSD)
574  bsd="yes"
575  make="${MAKE-gmake}"
576  audio_drv_list="oss"
577  audio_possible_drivers="oss sdl pa"
578  # needed for kinfo_getvmmap(3) in libutil.h
579  LIBS="-lutil $LIBS"
580  netmap=""  # enable netmap autodetect
581  HOST_VARIANT_DIR="freebsd"
582;;
583DragonFly)
584  bsd="yes"
585  make="${MAKE-gmake}"
586  audio_drv_list="oss"
587  audio_possible_drivers="oss sdl pa"
588  HOST_VARIANT_DIR="dragonfly"
589;;
590NetBSD)
591  bsd="yes"
592  make="${MAKE-gmake}"
593  audio_drv_list="oss"
594  audio_possible_drivers="oss sdl"
595  oss_lib="-lossaudio"
596  HOST_VARIANT_DIR="netbsd"
597;;
598OpenBSD)
599  bsd="yes"
600  make="${MAKE-gmake}"
601  audio_drv_list="sdl"
602  audio_possible_drivers="sdl"
603  HOST_VARIANT_DIR="openbsd"
604;;
605Darwin)
606  bsd="yes"
607  darwin="yes"
608  LDFLAGS_SHARED="-bundle -undefined dynamic_lookup"
609  if [ "$cpu" = "x86_64" ] ; then
610    QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"
611    LDFLAGS="-arch x86_64 $LDFLAGS"
612  fi
613  cocoa="yes"
614  audio_drv_list="coreaudio"
615  audio_possible_drivers="coreaudio sdl"
616  LDFLAGS="-framework CoreFoundation -framework IOKit $LDFLAGS"
617  libs_softmmu="-F/System/Library/Frameworks -framework Cocoa -framework IOKit $libs_softmmu"
618  # Disable attempts to use ObjectiveC features in os/object.h since they
619  # won't work when we're compiling with gcc as a C compiler.
620  QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
621  HOST_VARIANT_DIR="darwin"
622;;
623SunOS)
624  solaris="yes"
625  make="${MAKE-gmake}"
626  install="${INSTALL-ginstall}"
627  ld="gld"
628  smbd="${SMBD-/usr/sfw/sbin/smbd}"
629  needs_libsunmath="no"
630  solarisrev=$(uname -r | cut -f2 -d.)
631  if [ "$cpu" = "i386" -o "$cpu" = "x86_64" ] ; then
632    if test "$solarisrev" -le 9 ; then
633      if test -f /opt/SUNWspro/prod/lib/libsunmath.so.1; then
634        needs_libsunmath="yes"
635        QEMU_CFLAGS="-I/opt/SUNWspro/prod/include/cc $QEMU_CFLAGS"
636        LDFLAGS="-L/opt/SUNWspro/prod/lib -R/opt/SUNWspro/prod/lib $LDFLAGS"
637        LIBS="-lsunmath $LIBS"
638      else
639        error_exit "QEMU will not link correctly on Solaris 8/X86 or 9/x86 without" \
640            "libsunmath from the Sun Studio compilers tools, due to a lack of" \
641            "C99 math features in libm.so in Solaris 8/x86 and Solaris 9/x86" \
642            "Studio 11 can be downloaded from www.sun.com."
643      fi
644    fi
645  fi
646  if test -f /usr/include/sys/soundcard.h ; then
647    audio_drv_list="oss"
648  fi
649  audio_possible_drivers="oss sdl"
650# needed for CMSG_ macros in sys/socket.h
651  QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
652# needed for TIOCWIN* defines in termios.h
653  QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
654  QEMU_CFLAGS="-std=gnu99 $QEMU_CFLAGS"
655  solarisnetlibs="-lsocket -lnsl -lresolv"
656  LIBS="$solarisnetlibs $LIBS"
657  libs_qga="$solarisnetlibs $libs_qga"
658;;
659AIX)
660  aix="yes"
661  make="${MAKE-gmake}"
662;;
663Haiku)
664  haiku="yes"
665  QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS $QEMU_CFLAGS"
666  LIBS="-lposix_error_mapper -lnetwork $LIBS"
667;;
668*)
669  audio_drv_list="oss"
670  audio_possible_drivers="oss alsa sdl pa"
671  linux="yes"
672  linux_user="yes"
673  kvm="yes"
674  vhost_net="yes"
675  vhost_scsi="yes"
676  QEMU_INCLUDES="-I\$(SRC_PATH)/linux-headers -I$(pwd)/linux-headers $QEMU_INCLUDES"
677;;
678esac
679
680if [ "$bsd" = "yes" ] ; then
681  if [ "$darwin" != "yes" ] ; then
682    bsd_user="yes"
683  fi
684fi
685
686: ${make=${MAKE-make}}
687: ${install=${INSTALL-install}}
688: ${python=${PYTHON-python}}
689: ${smbd=${SMBD-/usr/sbin/smbd}}
690
691# Default objcc to clang if available, otherwise use CC
692if has clang; then
693  objcc=clang
694else
695  objcc="$cc"
696fi
697
698if test "$mingw32" = "yes" ; then
699  EXESUF=".exe"
700  DSOSUF=".dll"
701  QEMU_CFLAGS="-DWIN32_LEAN_AND_MEAN -DWINVER=0x501 $QEMU_CFLAGS"
702  # enable C99/POSIX format strings (needs mingw32-runtime 3.15 or later)
703  QEMU_CFLAGS="-D__USE_MINGW_ANSI_STDIO=1 $QEMU_CFLAGS"
704  # MinGW needs -mthreads for TLS and macro _MT.
705  QEMU_CFLAGS="-mthreads $QEMU_CFLAGS"
706  LIBS="-lwinmm -lws2_32 -liphlpapi $LIBS"
707  write_c_skeleton;
708  if compile_prog "" "-liberty" ; then
709    LIBS="-liberty $LIBS"
710  fi
711  prefix="c:/Program Files/QEMU"
712  mandir="\${prefix}"
713  datadir="\${prefix}"
714  qemu_docdir="\${prefix}"
715  bindir="\${prefix}"
716  sysconfdir="\${prefix}"
717  local_statedir=
718  confsuffix=""
719  libs_qga="-lws2_32 -lwinmm -lpowrprof -liphlpapi -lnetapi32 $libs_qga"
720fi
721
722werror=""
723
724for opt do
725  optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
726  case "$opt" in
727  --help|-h) show_help=yes
728  ;;
729  --version|-V) exec cat $source_path/VERSION
730  ;;
731  --prefix=*) prefix="$optarg"
732  ;;
733  --interp-prefix=*) interp_prefix="$optarg"
734  ;;
735  --source-path=*)
736  ;;
737  --cross-prefix=*)
738  ;;
739  --cc=*)
740  ;;
741  --host-cc=*) host_cc="$optarg"
742  ;;
743  --cxx=*)
744  ;;
745  --iasl=*) iasl="$optarg"
746  ;;
747  --objcc=*) objcc="$optarg"
748  ;;
749  --make=*) make="$optarg"
750  ;;
751  --install=*) install="$optarg"
752  ;;
753  --python=*) python="$optarg"
754  ;;
755  --gcov=*) gcov_tool="$optarg"
756  ;;
757  --smbd=*) smbd="$optarg"
758  ;;
759  --extra-cflags=*)
760  ;;
761  --extra-ldflags=*)
762  ;;
763  --enable-debug-info)
764  ;;
765  --disable-debug-info)
766  ;;
767  --enable-modules)
768      modules="yes"
769  ;;
770  --disable-modules)
771      modules="no"
772  ;;
773  --cpu=*)
774  ;;
775  --target-list=*) target_list="$optarg"
776  ;;
777  --enable-trace-backends=*) trace_backends="$optarg"
778  ;;
779  # XXX: backwards compatibility
780  --enable-trace-backend=*) trace_backends="$optarg"
781  ;;
782  --with-trace-file=*) trace_file="$optarg"
783  ;;
784  --enable-gprof) gprof="yes"
785  ;;
786  --enable-gcov) gcov="yes"
787  ;;
788  --static)
789    static="yes"
790    LDFLAGS="-static $LDFLAGS"
791    QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
792  ;;
793  --mandir=*) mandir="$optarg"
794  ;;
795  --bindir=*) bindir="$optarg"
796  ;;
797  --libdir=*) libdir="$optarg"
798  ;;
799  --libexecdir=*) libexecdir="$optarg"
800  ;;
801  --includedir=*) includedir="$optarg"
802  ;;
803  --datadir=*) datadir="$optarg"
804  ;;
805  --with-confsuffix=*) confsuffix="$optarg"
806  ;;
807  --docdir=*) qemu_docdir="$optarg"
808  ;;
809  --sysconfdir=*) sysconfdir="$optarg"
810  ;;
811  --localstatedir=*) local_statedir="$optarg"
812  ;;
813  --sbindir=*|--sharedstatedir=*|\
814  --oldincludedir=*|--datarootdir=*|--infodir=*|--localedir=*|\
815  --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
816    # These switches are silently ignored, for compatibility with
817    # autoconf-generated configure scripts. This allows QEMU's
818    # configure to be used by RPM and similar macros that set
819    # lots of directory switches by default.
820  ;;
821  --with-system-pixman) pixman="system"
822  ;;
823  --without-system-pixman) pixman="internal"
824  ;;
825  --without-pixman) pixman="none"
826  ;;
827  --disable-sdl) sdl="no"
828  ;;
829  --enable-sdl) sdl="yes"
830  ;;
831  --with-sdlabi=*) sdlabi="$optarg"
832  ;;
833  --disable-qom-cast-debug) qom_cast_debug="no"
834  ;;
835  --enable-qom-cast-debug) qom_cast_debug="yes"
836  ;;
837  --disable-virtfs) virtfs="no"
838  ;;
839  --enable-virtfs) virtfs="yes"
840  ;;
841  --disable-vnc) vnc="no"
842  ;;
843  --enable-vnc) vnc="yes"
844  ;;
845  --oss-lib=*) oss_lib="$optarg"
846  ;;
847  --audio-drv-list=*) audio_drv_list="$optarg"
848  ;;
849  --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
850  ;;
851  --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
852  ;;
853  --enable-debug-tcg) debug_tcg="yes"
854  ;;
855  --disable-debug-tcg) debug_tcg="no"
856  ;;
857  --enable-debug)
858      # Enable debugging options that aren't excessively noisy
859      debug_tcg="yes"
860      debug="yes"
861      strip_opt="no"
862      fortify_source="no"
863  ;;
864  --enable-sparse) sparse="yes"
865  ;;
866  --disable-sparse) sparse="no"
867  ;;
868  --disable-strip) strip_opt="no"
869  ;;
870  --disable-vnc-sasl) vnc_sasl="no"
871  ;;
872  --enable-vnc-sasl) vnc_sasl="yes"
873  ;;
874  --disable-vnc-jpeg) vnc_jpeg="no"
875  ;;
876  --enable-vnc-jpeg) vnc_jpeg="yes"
877  ;;
878  --disable-vnc-png) vnc_png="no"
879  ;;
880  --enable-vnc-png) vnc_png="yes"
881  ;;
882  --disable-slirp) slirp="no"
883  ;;
884  --disable-uuid) uuid="no"
885  ;;
886  --enable-uuid) uuid="yes"
887  ;;
888  --disable-vde) vde="no"
889  ;;
890  --enable-vde) vde="yes"
891  ;;
892  --disable-netmap) netmap="no"
893  ;;
894  --enable-netmap) netmap="yes"
895  ;;
896  --disable-xen) xen="no"
897  ;;
898  --enable-xen) xen="yes"
899  ;;
900  --disable-xen-pci-passthrough) xen_pci_passthrough="no"
901  ;;
902  --enable-xen-pci-passthrough) xen_pci_passthrough="yes"
903  ;;
904  --disable-xen-pv-domain-build) xen_pv_domain_build="no"
905  ;;
906  --enable-xen-pv-domain-build) xen_pv_domain_build="yes"
907  ;;
908  --disable-brlapi) brlapi="no"
909  ;;
910  --enable-brlapi) brlapi="yes"
911  ;;
912  --disable-bluez) bluez="no"
913  ;;
914  --enable-bluez) bluez="yes"
915  ;;
916  --disable-kvm) kvm="no"
917  ;;
918  --enable-kvm) kvm="yes"
919  ;;
920  --disable-tcg-interpreter) tcg_interpreter="no"
921  ;;
922  --enable-tcg-interpreter) tcg_interpreter="yes"
923  ;;
924  --disable-cap-ng)  cap_ng="no"
925  ;;
926  --enable-cap-ng) cap_ng="yes"
927  ;;
928  --disable-spice) spice="no"
929  ;;
930  --enable-spice) spice="yes"
931  ;;
932  --disable-libiscsi) libiscsi="no"
933  ;;
934  --enable-libiscsi) libiscsi="yes"
935  ;;
936  --disable-libnfs) libnfs="no"
937  ;;
938  --enable-libnfs) libnfs="yes"
939  ;;
940  --enable-profiler) profiler="yes"
941  ;;
942  --disable-cocoa) cocoa="no"
943  ;;
944  --enable-cocoa)
945      cocoa="yes" ;
946      audio_drv_list="coreaudio $(echo $audio_drv_list | sed s,coreaudio,,g)"
947  ;;
948  --disable-system) softmmu="no"
949  ;;
950  --enable-system) softmmu="yes"
951  ;;
952  --disable-user)
953      linux_user="no" ;
954      bsd_user="no" ;
955  ;;
956  --enable-user) ;;
957  --disable-linux-user) linux_user="no"
958  ;;
959  --enable-linux-user) linux_user="yes"
960  ;;
961  --disable-bsd-user) bsd_user="no"
962  ;;
963  --enable-bsd-user) bsd_user="yes"
964  ;;
965  --enable-pie) pie="yes"
966  ;;
967  --disable-pie) pie="no"
968  ;;
969  --enable-werror) werror="yes"
970  ;;
971  --disable-werror) werror="no"
972  ;;
973  --enable-stack-protector) stack_protector="yes"
974  ;;
975  --disable-stack-protector) stack_protector="no"
976  ;;
977  --disable-curses) curses="no"
978  ;;
979  --enable-curses) curses="yes"
980  ;;
981  --disable-curl) curl="no"
982  ;;
983  --enable-curl) curl="yes"
984  ;;
985  --disable-fdt) fdt="no"
986  ;;
987  --enable-fdt) fdt="yes"
988  ;;
989  --disable-linux-aio) linux_aio="no"
990  ;;
991  --enable-linux-aio) linux_aio="yes"
992  ;;
993  --disable-attr) attr="no"
994  ;;
995  --enable-attr) attr="yes"
996  ;;
997  --disable-blobs) blobs="no"
998  ;;
999  --with-pkgversion=*) pkgversion=" ($optarg)"
1000  ;;
1001  --with-coroutine=*) coroutine="$optarg"
1002  ;;
1003  --disable-coroutine-pool) coroutine_pool="no"
1004  ;;
1005  --enable-coroutine-pool) coroutine_pool="yes"
1006  ;;
1007  --disable-docs) docs="no"
1008  ;;
1009  --enable-docs) docs="yes"
1010  ;;
1011  --disable-vhost-net) vhost_net="no"
1012  ;;
1013  --enable-vhost-net) vhost_net="yes"
1014  ;;
1015  --disable-vhost-scsi) vhost_scsi="no"
1016  ;;
1017  --enable-vhost-scsi) vhost_scsi="yes"
1018  ;;
1019  --disable-opengl) opengl="no"
1020  ;;
1021  --enable-opengl) opengl="yes"
1022  ;;
1023  --disable-rbd) rbd="no"
1024  ;;
1025  --enable-rbd) rbd="yes"
1026  ;;
1027  --disable-xfsctl) xfs="no"
1028  ;;
1029  --enable-xfsctl) xfs="yes"
1030  ;;
1031  --disable-smartcard) smartcard="no"
1032  ;;
1033  --enable-smartcard) smartcard="yes"
1034  ;;
1035  --disable-libusb) libusb="no"
1036  ;;
1037  --enable-libusb) libusb="yes"
1038  ;;
1039  --disable-usb-redir) usb_redir="no"
1040  ;;
1041  --enable-usb-redir) usb_redir="yes"
1042  ;;
1043  --disable-zlib-test) zlib="no"
1044  ;;
1045  --disable-lzo) lzo="no"
1046  ;;
1047  --enable-lzo) lzo="yes"
1048  ;;
1049  --disable-snappy) snappy="no"
1050  ;;
1051  --enable-snappy) snappy="yes"
1052  ;;
1053  --disable-bzip2) bzip2="no"
1054  ;;
1055  --enable-bzip2) bzip2="yes"
1056  ;;
1057  --enable-guest-agent) guest_agent="yes"
1058  ;;
1059  --disable-guest-agent) guest_agent="no"
1060  ;;
1061  --enable-guest-agent-msi) guest_agent_msi="yes"
1062  ;;
1063  --disable-guest-agent-msi) guest_agent_msi="no"
1064  ;;
1065  --with-vss-sdk) vss_win32_sdk=""
1066  ;;
1067  --with-vss-sdk=*) vss_win32_sdk="$optarg"
1068  ;;
1069  --without-vss-sdk) vss_win32_sdk="no"
1070  ;;
1071  --with-win-sdk) win_sdk=""
1072  ;;
1073  --with-win-sdk=*) win_sdk="$optarg"
1074  ;;
1075  --without-win-sdk) win_sdk="no"
1076  ;;
1077  --enable-tools) want_tools="yes"
1078  ;;
1079  --disable-tools) want_tools="no"
1080  ;;
1081  --enable-seccomp) seccomp="yes"
1082  ;;
1083  --disable-seccomp) seccomp="no"
1084  ;;
1085  --disable-glusterfs) glusterfs="no"
1086  ;;
1087  --enable-glusterfs) glusterfs="yes"
1088  ;;
1089  --disable-archipelago) archipelago="no"
1090  ;;
1091  --enable-archipelago) archipelago="yes"
1092  ;;
1093  --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
1094      echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
1095  ;;
1096  --disable-gtk) gtk="no"
1097  ;;
1098  --enable-gtk) gtk="yes"
1099  ;;
1100  --disable-gnutls) gnutls="no"
1101  ;;
1102  --enable-gnutls) gnutls="yes"
1103  ;;
1104  --disable-nettle) nettle="no"
1105  ;;
1106  --enable-nettle) nettle="yes"
1107  ;;
1108  --disable-gcrypt) gcrypt="no"
1109  ;;
1110  --enable-gcrypt) gcrypt="yes"
1111  ;;
1112  --enable-rdma) rdma="yes"
1113  ;;
1114  --disable-rdma) rdma="no"
1115  ;;
1116  --with-gtkabi=*) gtkabi="$optarg"
1117  ;;
1118  --disable-vte) vte="no"
1119  ;;
1120  --enable-vte) vte="yes"
1121  ;;
1122  --disable-virglrenderer) virglrenderer="no"
1123  ;;
1124  --enable-virglrenderer) virglrenderer="yes"
1125  ;;
1126  --disable-tpm) tpm="no"
1127  ;;
1128  --enable-tpm) tpm="yes"
1129  ;;
1130  --disable-libssh2) libssh2="no"
1131  ;;
1132  --enable-libssh2) libssh2="yes"
1133  ;;
1134  --enable-vhdx) vhdx="yes"
1135  ;;
1136  --disable-vhdx) vhdx="no"
1137  ;;
1138  --disable-numa) numa="no"
1139  ;;
1140  --enable-numa) numa="yes"
1141  ;;
1142  --disable-tcmalloc) tcmalloc="no"
1143  ;;
1144  --enable-tcmalloc) tcmalloc="yes"
1145  ;;
1146  --disable-jemalloc) jemalloc="no"
1147  ;;
1148  --enable-jemalloc) jemalloc="yes"
1149  ;;
1150  *)
1151      echo "ERROR: unknown option $opt"
1152      echo "Try '$0 --help' for more information"
1153      exit 1
1154  ;;
1155  esac
1156done
1157
1158if ! has $python; then
1159  error_exit "Python not found. Use --python=/path/to/python"
1160fi
1161
1162# Note that if the Python conditional here evaluates True we will exit
1163# with status 1 which is a shell 'false' value.
1164if ! $python -c 'import sys; sys.exit(sys.version_info < (2,6) or sys.version_info >= (3,))'; then
1165  error_exit "Cannot use '$python', Python 2.6 or later is required." \
1166      "Note that Python 3 or later is not yet supported." \
1167      "Use --python=/path/to/python to specify a supported Python."
1168fi
1169
1170# Suppress writing compiled files
1171python="$python -B"
1172
1173case "$cpu" in
1174    ppc)
1175           CPU_CFLAGS="-m32"
1176           LDFLAGS="-m32 $LDFLAGS"
1177           ;;
1178    ppc64)
1179           CPU_CFLAGS="-m64"
1180           LDFLAGS="-m64 $LDFLAGS"
1181           ;;
1182    sparc)
1183           LDFLAGS="-m32 $LDFLAGS"
1184           CPU_CFLAGS="-m32 -mcpu=ultrasparc"
1185           ;;
1186    sparc64)
1187           LDFLAGS="-m64 $LDFLAGS"
1188           CPU_CFLAGS="-m64 -mcpu=ultrasparc"
1189           ;;
1190    s390)
1191           CPU_CFLAGS="-m31"
1192           LDFLAGS="-m31 $LDFLAGS"
1193           ;;
1194    s390x)
1195           CPU_CFLAGS="-m64"
1196           LDFLAGS="-m64 $LDFLAGS"
1197           ;;
1198    i386)
1199           CPU_CFLAGS="-m32"
1200           LDFLAGS="-m32 $LDFLAGS"
1201           cc_i386='$(CC) -m32'
1202           ;;
1203    x86_64)
1204           CPU_CFLAGS="-m64"
1205           LDFLAGS="-m64 $LDFLAGS"
1206           cc_i386='$(CC) -m32'
1207           ;;
1208    x32)
1209           CPU_CFLAGS="-mx32"
1210           LDFLAGS="-mx32 $LDFLAGS"
1211           cc_i386='$(CC) -m32'
1212           ;;
1213    # No special flags required for other host CPUs
1214esac
1215
1216QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS"
1217EXTRA_CFLAGS="$CPU_CFLAGS $EXTRA_CFLAGS"
1218
1219# For user-mode emulation the host arch has to be one we explicitly
1220# support, even if we're using TCI.
1221if [ "$ARCH" = "unknown" ]; then
1222  bsd_user="no"
1223  linux_user="no"
1224fi
1225
1226default_target_list=""
1227
1228mak_wilds=""
1229
1230if [ "$softmmu" = "yes" ]; then
1231    mak_wilds="${mak_wilds} $source_path/default-configs/*-softmmu.mak"
1232fi
1233if [ "$linux_user" = "yes" ]; then
1234    mak_wilds="${mak_wilds} $source_path/default-configs/*-linux-user.mak"
1235fi
1236if [ "$bsd_user" = "yes" ]; then
1237    mak_wilds="${mak_wilds} $source_path/default-configs/*-bsd-user.mak"
1238fi
1239
1240for config in $mak_wilds; do
1241    default_target_list="${default_target_list} $(basename "$config" .mak)"
1242done
1243
1244if test x"$show_help" = x"yes" ; then
1245cat << EOF
1246
1247Usage: configure [options]
1248Options: [defaults in brackets after descriptions]
1249
1250Standard options:
1251  --help                   print this message
1252  --prefix=PREFIX          install in PREFIX [$prefix]
1253  --interp-prefix=PREFIX   where to find shared libraries, etc.
1254                           use %M for cpu name [$interp_prefix]
1255  --target-list=LIST       set target list (default: build everything)
1256$(echo Available targets: $default_target_list | \
1257  fold -s -w 53 | sed -e 's/^/                           /')
1258
1259Advanced options (experts only):
1260  --source-path=PATH       path of source code [$source_path]
1261  --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
1262  --cc=CC                  use C compiler CC [$cc]
1263  --iasl=IASL              use ACPI compiler IASL [$iasl]
1264  --host-cc=CC             use C compiler CC [$host_cc] for code run at
1265                           build time
1266  --cxx=CXX                use C++ compiler CXX [$cxx]
1267  --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
1268  --extra-cflags=CFLAGS    append extra C compiler flags QEMU_CFLAGS
1269  --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
1270  --make=MAKE              use specified make [$make]
1271  --install=INSTALL        use specified install [$install]
1272  --python=PYTHON          use specified python [$python]
1273  --smbd=SMBD              use specified smbd [$smbd]
1274  --static                 enable static build [$static]
1275  --mandir=PATH            install man pages in PATH
1276  --datadir=PATH           install firmware in PATH$confsuffix
1277  --docdir=PATH            install documentation in PATH$confsuffix
1278  --bindir=PATH            install binaries in PATH
1279  --libdir=PATH            install libraries in PATH
1280  --sysconfdir=PATH        install config in PATH$confsuffix
1281  --localstatedir=PATH     install local state in PATH (set at runtime on win32)
1282  --with-confsuffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir [$confsuffix]
1283  --enable-debug           enable common debug build options
1284  --disable-strip          disable stripping binaries
1285  --disable-werror         disable compilation abort on warning
1286  --disable-stack-protector disable compiler-provided stack protection
1287  --audio-drv-list=LIST    set audio drivers list:
1288                           Available drivers: $audio_possible_drivers
1289  --block-drv-whitelist=L  Same as --block-drv-rw-whitelist=L
1290  --block-drv-rw-whitelist=L
1291                           set block driver read-write whitelist
1292                           (affects only QEMU, not qemu-img)
1293  --block-drv-ro-whitelist=L
1294                           set block driver read-only whitelist
1295                           (affects only QEMU, not qemu-img)
1296  --enable-trace-backends=B Set trace backend
1297                           Available backends: $($python $source_path/scripts/tracetool.py --list-backends)
1298  --with-trace-file=NAME   Full PATH,NAME of file to store traces
1299                           Default:trace-<pid>
1300  --disable-slirp          disable SLIRP userspace network connectivity
1301  --enable-tcg-interpreter enable TCG with bytecode interpreter (TCI)
1302  --oss-lib                path to OSS library
1303  --cpu=CPU                Build for host CPU [$cpu]
1304  --with-coroutine=BACKEND coroutine backend. Supported options:
1305                           gthread, ucontext, sigaltstack, windows
1306  --enable-gcov            enable test coverage analysis with gcov
1307  --gcov=GCOV              use specified gcov [$gcov_tool]
1308  --disable-blobs          disable installing provided firmware blobs
1309  --with-vss-sdk=SDK-path  enable Windows VSS support in QEMU Guest Agent
1310  --with-win-sdk=SDK-path  path to Windows Platform SDK (to build VSS .tlb)
1311
1312Optional features, enabled with --enable-FEATURE and
1313disabled with --disable-FEATURE, default is enabled if available:
1314
1315  system          all system emulation targets
1316  user            supported user emulation targets
1317  linux-user      all linux usermode emulation targets
1318  bsd-user        all BSD usermode emulation targets
1319  docs            build documentation
1320  guest-agent     build the QEMU Guest Agent
1321  guest-agent-msi build guest agent Windows MSI installation package
1322  pie             Position Independent Executables
1323  modules         modules support
1324  debug-tcg       TCG debugging (default is disabled)
1325  debug-info      debugging information
1326  sparse          sparse checker
1327
1328  gnutls          GNUTLS cryptography support
1329  nettle          nettle cryptography support
1330  gcrypt          libgcrypt cryptography support
1331  sdl             SDL UI
1332  --with-sdlabi     select preferred SDL ABI 1.2 or 2.0
1333  gtk             gtk UI
1334  --with-gtkabi     select preferred GTK ABI 2.0 or 3.0
1335  vte             vte support for the gtk UI
1336  curses          curses UI
1337  vnc             VNC UI support
1338  vnc-sasl        SASL encryption for VNC server
1339  vnc-jpeg        JPEG lossy compression for VNC server
1340  vnc-png         PNG compression for VNC server
1341  cocoa           Cocoa UI (Mac OS X only)
1342  virtfs          VirtFS
1343  xen             xen backend driver support
1344  xen-pci-passthrough
1345  brlapi          BrlAPI (Braile)
1346  curl            curl connectivity
1347  fdt             fdt device tree
1348  bluez           bluez stack connectivity
1349  kvm             KVM acceleration support
1350  rdma            RDMA-based migration support
1351  uuid            uuid support
1352  vde             support for vde network
1353  netmap          support for netmap network
1354  linux-aio       Linux AIO support
1355  cap-ng          libcap-ng support
1356  attr            attr and xattr support
1357  vhost-net       vhost-net acceleration support
1358  spice           spice
1359  rbd             rados block device (rbd)
1360  libiscsi        iscsi support
1361  libnfs          nfs support
1362  smartcard       smartcard support (libcacard)
1363  libusb          libusb (for usb passthrough)
1364  usb-redir       usb network redirection support
1365  lzo             support of lzo compression library
1366  snappy          support of snappy compression library
1367  bzip2           support of bzip2 compression library
1368                  (for reading bzip2-compressed dmg images)
1369  seccomp         seccomp support
1370  coroutine-pool  coroutine freelist (better performance)
1371  glusterfs       GlusterFS backend
1372  archipelago     Archipelago backend
1373  tpm             TPM support
1374  libssh2         ssh block device support
1375  vhdx            support for the Microsoft VHDX image format
1376  numa            libnuma support
1377  tcmalloc        tcmalloc support
1378  jemalloc        jemalloc support
1379
1380NOTE: The object files are built at the place where configure is launched
1381EOF
1382exit 0
1383fi
1384
1385# Now we have handled --enable-tcg-interpreter and know we're not just
1386# printing the help message, bail out if the host CPU isn't supported.
1387if test "$ARCH" = "unknown"; then
1388    if test "$tcg_interpreter" = "yes" ; then
1389        echo "Unsupported CPU = $cpu, will use TCG with TCI (experimental)"
1390    else
1391        error_exit "Unsupported CPU = $cpu, try --enable-tcg-interpreter"
1392    fi
1393fi
1394
1395# Consult white-list to determine whether to enable werror
1396# by default.  Only enable by default for git builds
1397if test -z "$werror" ; then
1398    if test -d "$source_path/.git" -a \
1399        \( "$linux" = "yes" -o "$mingw32" = "yes" \) ; then
1400        werror="yes"
1401    else
1402        werror="no"
1403    fi
1404fi
1405
1406# check that the C compiler works.
1407write_c_skeleton;
1408if compile_object ; then
1409  : C compiler works ok
1410else
1411    error_exit "\"$cc\" either does not exist or does not work"
1412fi
1413if ! compile_prog ; then
1414    error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
1415fi
1416
1417# Check that the C++ compiler exists and works with the C compiler
1418if has $cxx; then
1419    cat > $TMPC <<EOF
1420int c_function(void);
1421int main(void) { return c_function(); }
1422EOF
1423
1424    compile_object
1425
1426    cat > $TMPCXX <<EOF
1427extern "C" {
1428   int c_function(void);
1429}
1430int c_function(void) { return 42; }
1431EOF
1432
1433    update_cxxflags
1434
1435    if do_cxx $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $LDFLAGS; then
1436        # C++ compiler $cxx works ok with C compiler $cc
1437        :
1438    else
1439        echo "C++ compiler $cxx does not work with C compiler $cc"
1440        echo "Disabling C++ specific optional code"
1441        cxx=
1442    fi
1443else
1444    echo "No C++ compiler available; disabling C++ specific optional code"
1445    cxx=
1446fi
1447
1448gcc_flags="-Wold-style-declaration -Wold-style-definition -Wtype-limits"
1449gcc_flags="-Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers $gcc_flags"
1450gcc_flags="-Wmissing-include-dirs -Wempty-body -Wnested-externs $gcc_flags"
1451gcc_flags="-Wendif-labels $gcc_flags"
1452gcc_flags="-Wno-initializer-overrides $gcc_flags"
1453gcc_flags="-Wno-string-plus-int $gcc_flags"
1454# Note that we do not add -Werror to gcc_flags here, because that would
1455# enable it for all configure tests. If a configure test failed due
1456# to -Werror this would just silently disable some features,
1457# so it's too error prone.
1458
1459cc_has_warning_flag() {
1460    write_c_skeleton;
1461
1462    # Use the positive sense of the flag when testing for -Wno-wombat
1463    # support (gcc will happily accept the -Wno- form of unknown
1464    # warning options).
1465    optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
1466    compile_prog "-Werror $optflag" ""
1467}
1468
1469for flag in $gcc_flags; do
1470    if cc_has_warning_flag $flag ; then
1471        QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1472    fi
1473done
1474
1475if test "$stack_protector" != "no"; then
1476  cat > $TMPC << EOF
1477int main(int argc, char *argv[])
1478{
1479    char arr[64], *p = arr, *c = argv[0];
1480    while (*c) {
1481        *p++ = *c++;
1482    }
1483    return 0;
1484}
1485EOF
1486  gcc_flags="-fstack-protector-strong -fstack-protector-all"
1487  sp_on=0
1488  for flag in $gcc_flags; do
1489    # We need to check both a compile and a link, since some compiler
1490    # setups fail only on a .c->.o compile and some only at link time
1491    if do_cc $QEMU_CFLAGS -Werror $flag -c -o $TMPO $TMPC &&
1492       compile_prog "-Werror $flag" ""; then
1493      QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1494      sp_on=1
1495      break
1496    fi
1497  done
1498  if test "$stack_protector" = yes; then
1499    if test $sp_on = 0; then
1500      error_exit "Stack protector not supported"
1501    fi
1502  fi
1503fi
1504
1505# Workaround for http://gcc.gnu.org/PR55489.  Happens with -fPIE/-fPIC and
1506# large functions that use global variables.  The bug is in all releases of
1507# GCC, but it became particularly acute in 4.6.x and 4.7.x.  It is fixed in
1508# 4.7.3 and 4.8.0.  We should be able to delete this at the end of 2013.
1509cat > $TMPC << EOF
1510#if __GNUC__ == 4 && (__GNUC_MINOR__ == 6 || (__GNUC_MINOR__ == 7 && __GNUC_PATCHLEVEL__ <= 2))
1511int main(void) { return 0; }
1512#else
1513#error No bug in this compiler.
1514#endif
1515EOF
1516if compile_prog "-Werror -fno-gcse" "" ; then
1517  TRANSLATE_OPT_CFLAGS=-fno-gcse
1518fi
1519
1520if test "$static" = "yes" ; then
1521  if test "$modules" = "yes" ; then
1522    error_exit "static and modules are mutually incompatible"
1523  fi
1524  if test "$pie" = "yes" ; then
1525    error_exit "static and pie are mutually incompatible"
1526  else
1527    pie="no"
1528  fi
1529fi
1530
1531# Unconditional check for compiler __thread support
1532  cat > $TMPC << EOF
1533static __thread int tls_var;
1534int main(void) { return tls_var; }
1535EOF
1536
1537if ! compile_prog "-Werror" "" ; then
1538    error_exit "Your compiler does not support the __thread specifier for " \
1539	"Thread-Local Storage (TLS). Please upgrade to a version that does."
1540fi
1541
1542if test "$pie" = ""; then
1543  case "$cpu-$targetos" in
1544    i386-Linux|x86_64-Linux|x32-Linux|i386-OpenBSD|x86_64-OpenBSD)
1545      ;;
1546    *)
1547      pie="no"
1548      ;;
1549  esac
1550fi
1551
1552if test "$pie" != "no" ; then
1553  cat > $TMPC << EOF
1554
1555#ifdef __linux__
1556#  define THREAD __thread
1557#else
1558#  define THREAD
1559#endif
1560
1561static THREAD int tls_var;
1562
1563int main(void) { return tls_var; }
1564
1565EOF
1566  if compile_prog "-fPIE -DPIE" "-pie"; then
1567    QEMU_CFLAGS="-fPIE -DPIE $QEMU_CFLAGS"
1568    LDFLAGS="-pie $LDFLAGS"
1569    pie="yes"
1570    if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
1571      LDFLAGS="-Wl,-z,relro -Wl,-z,now $LDFLAGS"
1572    fi
1573  else
1574    if test "$pie" = "yes"; then
1575      error_exit "PIE not available due to missing toolchain support"
1576    else
1577      echo "Disabling PIE due to missing toolchain support"
1578      pie="no"
1579    fi
1580  fi
1581
1582  if compile_prog "-Werror -fno-pie" "-nopie"; then
1583    CFLAGS_NOPIE="-fno-pie"
1584    LDFLAGS_NOPIE="-nopie"
1585  fi
1586fi
1587
1588##########################################
1589# __sync_fetch_and_and requires at least -march=i486. Many toolchains
1590# use i686 as default anyway, but for those that don't, an explicit
1591# specification is necessary
1592
1593if test "$cpu" = "i386"; then
1594  cat > $TMPC << EOF
1595static int sfaa(int *ptr)
1596{
1597  return __sync_fetch_and_and(ptr, 0);
1598}
1599
1600int main(void)
1601{
1602  int val = 42;
1603  val = __sync_val_compare_and_swap(&val, 0, 1);
1604  sfaa(&val);
1605  return val;
1606}
1607EOF
1608  if ! compile_prog "" "" ; then
1609    QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
1610  fi
1611fi
1612
1613#########################################
1614# Solaris specific configure tool chain decisions
1615
1616if test "$solaris" = "yes" ; then
1617  if has $install; then
1618    :
1619  else
1620    error_exit "Solaris install program not found. Use --install=/usr/ucb/install or" \
1621        "install fileutils from www.blastwave.org using pkg-get -i fileutils" \
1622        "to get ginstall which is used by default (which lives in /opt/csw/bin)"
1623  fi
1624  if test "$(path_of $install)" = "/usr/sbin/install" ; then
1625    error_exit "Solaris /usr/sbin/install is not an appropriate install program." \
1626        "try ginstall from the GNU fileutils available from www.blastwave.org" \
1627        "using pkg-get -i fileutils, or use --install=/usr/ucb/install"
1628  fi
1629  if has ar; then
1630    :
1631  else
1632    if test -f /usr/ccs/bin/ar ; then
1633      error_exit "No path includes ar" \
1634          "Add /usr/ccs/bin to your path and rerun configure"
1635    fi
1636    error_exit "No path includes ar"
1637  fi
1638fi
1639
1640if test -z "${target_list+xxx}" ; then
1641    target_list="$default_target_list"
1642else
1643    target_list=$(echo "$target_list" | sed -e 's/,/ /g')
1644fi
1645
1646# Check that we recognised the target name; this allows a more
1647# friendly error message than if we let it fall through.
1648for target in $target_list; do
1649    case " $default_target_list " in
1650        *" $target "*)
1651            ;;
1652        *)
1653            error_exit "Unknown target name '$target'"
1654            ;;
1655    esac
1656done
1657
1658# see if system emulation was really requested
1659case " $target_list " in
1660  *"-softmmu "*) softmmu=yes
1661  ;;
1662  *) softmmu=no
1663  ;;
1664esac
1665
1666feature_not_found() {
1667  feature=$1
1668  remedy=$2
1669
1670  error_exit "User requested feature $feature" \
1671      "configure was not able to find it." \
1672      "$remedy"
1673}
1674
1675# ---
1676# big/little endian test
1677cat > $TMPC << EOF
1678short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
1679short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
1680extern int foo(short *, short *);
1681int main(int argc, char *argv[]) {
1682    return foo(big_endian, little_endian);
1683}
1684EOF
1685
1686if compile_object ; then
1687    if grep -q BiGeNdIaN $TMPO ; then
1688        bigendian="yes"
1689    elif grep -q LiTtLeEnDiAn $TMPO ; then
1690        bigendian="no"
1691    else
1692        echo big/little test failed
1693    fi
1694else
1695    echo big/little test failed
1696fi
1697
1698##########################################
1699# cocoa implies not SDL or GTK
1700# (the cocoa UI code currently assumes it is always the active UI
1701# and doesn't interact well with other UI frontend code)
1702if test "$cocoa" = "yes"; then
1703    if test "$sdl" = "yes"; then
1704        error_exit "Cocoa and SDL UIs cannot both be enabled at once"
1705    fi
1706    if test "$gtk" = "yes"; then
1707        error_exit "Cocoa and GTK UIs cannot both be enabled at once"
1708    fi
1709    gtk=no
1710    sdl=no
1711fi
1712
1713##########################################
1714# L2TPV3 probe
1715
1716cat > $TMPC <<EOF
1717#include <sys/socket.h>
1718#include <linux/ip.h>
1719int main(void) { return sizeof(struct mmsghdr); }
1720EOF
1721if compile_prog "" "" ; then
1722  l2tpv3=yes
1723else
1724  l2tpv3=no
1725fi
1726
1727##########################################
1728# MinGW / Mingw-w64 localtime_r/gmtime_r check
1729
1730if test "$mingw32" = "yes"; then
1731    # Some versions of MinGW / Mingw-w64 lack localtime_r
1732    # and gmtime_r entirely.
1733    #
1734    # Some versions of Mingw-w64 define a macro for
1735    # localtime_r/gmtime_r.
1736    #
1737    # Some versions of Mingw-w64 will define functions
1738    # for localtime_r/gmtime_r, but only if you have
1739    # _POSIX_THREAD_SAFE_FUNCTIONS defined. For fun
1740    # though, unistd.h and pthread.h both define
1741    # that for you.
1742    #
1743    # So this #undef localtime_r and #include <unistd.h>
1744    # are not in fact redundant.
1745cat > $TMPC << EOF
1746#include <unistd.h>
1747#include <time.h>
1748#undef localtime_r
1749int main(void) { localtime_r(NULL, NULL); return 0; }
1750EOF
1751    if compile_prog "" "" ; then
1752        localtime_r="yes"
1753    else
1754        localtime_r="no"
1755    fi
1756fi
1757
1758##########################################
1759# pkg-config probe
1760
1761if ! has "$pkg_config_exe"; then
1762  error_exit "pkg-config binary '$pkg_config_exe' not found"
1763fi
1764
1765##########################################
1766# NPTL probe
1767
1768if test "$linux_user" = "yes"; then
1769  cat > $TMPC <<EOF
1770#include <sched.h>
1771#include <linux/futex.h>
1772int main(void) {
1773#if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
1774#error bork
1775#endif
1776  return 0;
1777}
1778EOF
1779  if ! compile_object ; then
1780    feature_not_found "nptl" "Install glibc and linux kernel headers."
1781  fi
1782fi
1783
1784##########################################
1785# avx2 optimization requirement check
1786
1787cat > $TMPC << EOF
1788#pragma GCC push_options
1789#pragma GCC target("avx2")
1790#include <cpuid.h>
1791#include <immintrin.h>
1792
1793static int bar(void *a) {
1794    return _mm256_movemask_epi8(_mm256_cmpeq_epi8(*(__m256i *)a, (__m256i){0}));
1795}
1796static void *bar_ifunc(void) {return (void*) bar;}
1797int foo(void *a) __attribute__((ifunc("bar_ifunc")));
1798int main(int argc, char *argv[]) { return foo(argv[0]);}
1799EOF
1800if compile_object "" ; then
1801    if has readelf; then
1802        if readelf --syms $TMPO 2>/dev/null |grep -q "IFUNC.*foo"; then
1803            avx2_opt="yes"
1804        fi
1805    fi
1806fi
1807
1808#########################################
1809# zlib check
1810
1811if test "$zlib" != "no" ; then
1812    cat > $TMPC << EOF
1813#include <zlib.h>
1814int main(void) { zlibVersion(); return 0; }
1815EOF
1816    if compile_prog "" "-lz" ; then
1817        :
1818    else
1819        error_exit "zlib check failed" \
1820            "Make sure to have the zlib libs and headers installed."
1821    fi
1822fi
1823LIBS="$LIBS -lz"
1824
1825##########################################
1826# lzo check
1827
1828if test "$lzo" != "no" ; then
1829    cat > $TMPC << EOF
1830#include <lzo/lzo1x.h>
1831int main(void) { lzo_version(); return 0; }
1832EOF
1833    if compile_prog "" "-llzo2" ; then
1834        libs_softmmu="$libs_softmmu -llzo2"
1835        lzo="yes"
1836    else
1837        if test "$lzo" = "yes"; then
1838            feature_not_found "liblzo2" "Install liblzo2 devel"
1839        fi
1840        lzo="no"
1841    fi
1842fi
1843
1844##########################################
1845# snappy check
1846
1847if test "$snappy" != "no" ; then
1848    cat > $TMPC << EOF
1849#include <snappy-c.h>
1850int main(void) { snappy_max_compressed_length(4096); return 0; }
1851EOF
1852    if compile_prog "" "-lsnappy" ; then
1853        libs_softmmu="$libs_softmmu -lsnappy"
1854        snappy="yes"
1855    else
1856        if test "$snappy" = "yes"; then
1857            feature_not_found "libsnappy" "Install libsnappy devel"
1858        fi
1859        snappy="no"
1860    fi
1861fi
1862
1863##########################################
1864# bzip2 check
1865
1866if test "$bzip2" != "no" ; then
1867    cat > $TMPC << EOF
1868#include <bzlib.h>
1869int main(void) { BZ2_bzlibVersion(); return 0; }
1870EOF
1871    if compile_prog "" "-lbz2" ; then
1872        bzip2="yes"
1873    else
1874        if test "$bzip2" = "yes"; then
1875            feature_not_found "libbzip2" "Install libbzip2 devel"
1876        fi
1877        bzip2="no"
1878    fi
1879fi
1880
1881##########################################
1882# libseccomp check
1883
1884if test "$seccomp" != "no" ; then
1885    case "$cpu" in
1886    i386|x86_64)
1887        libseccomp_minver="2.1.0"
1888        ;;
1889    mips)
1890        libseccomp_minver="2.2.0"
1891        ;;
1892    arm|aarch64)
1893        libseccomp_minver="2.2.3"
1894        ;;
1895    ppc|ppc64)
1896        libseccomp_minver="2.3.0"
1897        ;;
1898    *)
1899        libseccomp_minver=""
1900        ;;
1901    esac
1902
1903    if test "$libseccomp_minver" != "" &&
1904       $pkg_config --atleast-version=$libseccomp_minver libseccomp ; then
1905        libs_softmmu="$libs_softmmu $($pkg_config --libs libseccomp)"
1906        QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags libseccomp)"
1907        seccomp="yes"
1908    else
1909        if test "$seccomp" = "yes" ; then
1910            if test "$libseccomp_minver" != "" ; then
1911                feature_not_found "libseccomp" \
1912                    "Install libseccomp devel >= $libseccomp_minver"
1913            else
1914                feature_not_found "libseccomp" \
1915                    "libseccomp is not supported for host cpu $cpu"
1916            fi
1917        fi
1918        seccomp="no"
1919    fi
1920fi
1921##########################################
1922# xen probe
1923
1924if test "$xen" != "no" ; then
1925  xen_libs="-lxenstore -lxenctrl -lxenguest"
1926  xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn"
1927
1928  # First we test whether Xen headers and libraries are available.
1929  # If no, we are done and there is no Xen support.
1930  # If yes, more tests are run to detect the Xen version.
1931
1932  # Xen (any)
1933  cat > $TMPC <<EOF
1934#include <xenctrl.h>
1935int main(void) {
1936  return 0;
1937}
1938EOF
1939  if ! compile_prog "" "$xen_libs" ; then
1940    # Xen not found
1941    if test "$xen" = "yes" ; then
1942      feature_not_found "xen" "Install xen devel"
1943    fi
1944    xen=no
1945
1946  # Xen unstable
1947  elif
1948      cat > $TMPC <<EOF &&
1949/*
1950 * If we have stable libs the we don't want the libxc compat
1951 * layers, regardless of what CFLAGS we may have been given.
1952 */
1953#undef XC_WANT_COMPAT_EVTCHN_API
1954#undef XC_WANT_COMPAT_GNTTAB_API
1955#undef XC_WANT_COMPAT_MAP_FOREIGN_API
1956#include <xenctrl.h>
1957#include <xenstore.h>
1958#include <xenevtchn.h>
1959#include <xengnttab.h>
1960#include <xenforeignmemory.h>
1961#include <stdint.h>
1962#include <xen/hvm/hvm_info_table.h>
1963#if !defined(HVM_MAX_VCPUS)
1964# error HVM_MAX_VCPUS not defined
1965#endif
1966int main(void) {
1967  xc_interface *xc = NULL;
1968  xenforeignmemory_handle *xfmem;
1969  xenevtchn_handle *xe;
1970  xengnttab_handle *xg;
1971  xen_domain_handle_t handle;
1972
1973  xs_daemon_open();
1974
1975  xc = xc_interface_open(0, 0, 0);
1976  xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
1977  xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
1978  xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
1979  xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
1980  xc_domain_create(xc, 0, handle, 0, NULL, NULL);
1981
1982  xfmem = xenforeignmemory_open(0, 0);
1983  xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
1984
1985  xe = xenevtchn_open(0, 0);
1986  xenevtchn_fd(xe);
1987
1988  xg = xengnttab_open(0, 0);
1989  xengnttab_map_grant_ref(xg, 0, 0, 0);
1990
1991  return 0;
1992}
1993EOF
1994      compile_prog "" "$xen_libs $xen_stable_libs"
1995    then
1996    xen_ctrl_version=471
1997    xen=yes
1998  elif
1999      cat > $TMPC <<EOF &&
2000#include <xenctrl.h>
2001#include <stdint.h>
2002int main(void) {
2003  xc_interface *xc = NULL;
2004  xen_domain_handle_t handle;
2005  xc_domain_create(xc, 0, handle, 0, NULL, NULL);
2006  return 0;
2007}
2008EOF
2009      compile_prog "" "$xen_libs"
2010    then
2011    xen_ctrl_version=470
2012    xen=yes
2013
2014  # Xen 4.6
2015  elif
2016      cat > $TMPC <<EOF &&
2017#include <xenctrl.h>
2018#include <xenstore.h>
2019#include <stdint.h>
2020#include <xen/hvm/hvm_info_table.h>
2021#if !defined(HVM_MAX_VCPUS)
2022# error HVM_MAX_VCPUS not defined
2023#endif
2024int main(void) {
2025  xc_interface *xc;
2026  xs_daemon_open();
2027  xc = xc_interface_open(0, 0, 0);
2028  xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2029  xc_gnttab_open(NULL, 0);
2030  xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2031  xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2032  xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2033  xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
2034  return 0;
2035}
2036EOF
2037      compile_prog "" "$xen_libs"
2038    then
2039    xen_ctrl_version=460
2040    xen=yes
2041
2042  # Xen 4.5
2043  elif
2044      cat > $TMPC <<EOF &&
2045#include <xenctrl.h>
2046#include <xenstore.h>
2047#include <stdint.h>
2048#include <xen/hvm/hvm_info_table.h>
2049#if !defined(HVM_MAX_VCPUS)
2050# error HVM_MAX_VCPUS not defined
2051#endif
2052int main(void) {
2053  xc_interface *xc;
2054  xs_daemon_open();
2055  xc = xc_interface_open(0, 0, 0);
2056  xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2057  xc_gnttab_open(NULL, 0);
2058  xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2059  xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2060  xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
2061  return 0;
2062}
2063EOF
2064      compile_prog "" "$xen_libs"
2065    then
2066    xen_ctrl_version=450
2067    xen=yes
2068
2069  elif
2070      cat > $TMPC <<EOF &&
2071#include <xenctrl.h>
2072#include <xenstore.h>
2073#include <stdint.h>
2074#include <xen/hvm/hvm_info_table.h>
2075#if !defined(HVM_MAX_VCPUS)
2076# error HVM_MAX_VCPUS not defined
2077#endif
2078int main(void) {
2079  xc_interface *xc;
2080  xs_daemon_open();
2081  xc = xc_interface_open(0, 0, 0);
2082  xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2083  xc_gnttab_open(NULL, 0);
2084  xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2085  xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2086  return 0;
2087}
2088EOF
2089      compile_prog "" "$xen_libs"
2090    then
2091    xen_ctrl_version=420
2092    xen=yes
2093
2094  else
2095    if test "$xen" = "yes" ; then
2096      feature_not_found "xen (unsupported version)" \
2097                        "Install a supported xen (xen 4.2 or newer)"
2098    fi
2099    xen=no
2100  fi
2101
2102  if test "$xen" = yes; then
2103    if test $xen_ctrl_version -ge 471  ; then
2104      libs_softmmu="$xen_stable_libs $libs_softmmu"
2105    fi
2106    libs_softmmu="$xen_libs $libs_softmmu"
2107  fi
2108fi
2109
2110if test "$xen_pci_passthrough" != "no"; then
2111  if test "$xen" = "yes" && test "$linux" = "yes"; then
2112    xen_pci_passthrough=yes
2113  else
2114    if test "$xen_pci_passthrough" = "yes"; then
2115      error_exit "User requested feature Xen PCI Passthrough" \
2116          " but this feature requires /sys from Linux"
2117    fi
2118    xen_pci_passthrough=no
2119  fi
2120fi
2121
2122if test "$xen_pv_domain_build" = "yes" &&
2123   test "$xen" != "yes"; then
2124    error_exit "User requested Xen PV domain builder support" \
2125	       "which requires Xen support."
2126fi
2127
2128##########################################
2129# Sparse probe
2130if test "$sparse" != "no" ; then
2131  if has cgcc; then
2132    sparse=yes
2133  else
2134    if test "$sparse" = "yes" ; then
2135      feature_not_found "sparse" "Install sparse binary"
2136    fi
2137    sparse=no
2138  fi
2139fi
2140
2141##########################################
2142# X11 probe
2143x11_cflags=
2144x11_libs=-lX11
2145if $pkg_config --exists "x11"; then
2146    x11_cflags=$($pkg_config --cflags x11)
2147    x11_libs=$($pkg_config --libs x11)
2148fi
2149
2150##########################################
2151# GTK probe
2152
2153if test "$gtkabi" = ""; then
2154    # The GTK ABI was not specified explicitly, so try whether 2.0 is available.
2155    # Use 3.0 as a fallback if that is available.
2156    if $pkg_config --exists "gtk+-2.0 >= 2.18.0"; then
2157        gtkabi=2.0
2158    elif $pkg_config --exists "gtk+-3.0 >= 3.0.0"; then
2159        gtkabi=3.0
2160    else
2161        gtkabi=2.0
2162    fi
2163fi
2164
2165if test "$gtk" != "no"; then
2166    gtkpackage="gtk+-$gtkabi"
2167    gtkx11package="gtk+-x11-$gtkabi"
2168    if test "$gtkabi" = "3.0" ; then
2169      gtkversion="3.0.0"
2170    else
2171      gtkversion="2.18.0"
2172    fi
2173    if $pkg_config --exists "$gtkpackage >= $gtkversion"; then
2174        gtk_cflags=$($pkg_config --cflags $gtkpackage)
2175        gtk_libs=$($pkg_config --libs $gtkpackage)
2176        gtk_version=$($pkg_config --modversion $gtkpackage)
2177        if $pkg_config --exists "$gtkx11package >= $gtkversion"; then
2178            gtk_cflags="$gtk_cflags $x11_cflags"
2179            gtk_libs="$gtk_libs $x11_libs"
2180        fi
2181        libs_softmmu="$gtk_libs $libs_softmmu"
2182        gtk="yes"
2183    elif test "$gtk" = "yes"; then
2184        feature_not_found "gtk" "Install gtk2 or gtk3 devel"
2185    else
2186        gtk="no"
2187    fi
2188fi
2189
2190
2191##########################################
2192# GNUTLS probe
2193
2194gnutls_works() {
2195    # Unfortunately some distros have bad pkg-config information for gnutls
2196    # such that it claims to exist but you get a compiler error if you try
2197    # to use the options returned by --libs. Specifically, Ubuntu for --static
2198    # builds doesn't work:
2199    # https://bugs.launchpad.net/ubuntu/+source/gnutls26/+bug/1478035
2200    #
2201    # So sanity check the cflags/libs before assuming gnutls can be used.
2202    if ! $pkg_config --exists "gnutls"; then
2203        return 1
2204    fi
2205
2206    write_c_skeleton
2207    compile_prog "$($pkg_config --cflags gnutls)" "$($pkg_config --libs gnutls)"
2208}
2209
2210gnutls_gcrypt=no
2211gnutls_nettle=no
2212if test "$gnutls" != "no"; then
2213    if gnutls_works; then
2214        gnutls_cflags=$($pkg_config --cflags gnutls)
2215        gnutls_libs=$($pkg_config --libs gnutls)
2216        libs_softmmu="$gnutls_libs $libs_softmmu"
2217        libs_tools="$gnutls_libs $libs_tools"
2218	QEMU_CFLAGS="$QEMU_CFLAGS $gnutls_cflags"
2219        gnutls="yes"
2220
2221	# gnutls_hash_init requires >= 2.9.10
2222	if $pkg_config --exists "gnutls >= 2.9.10"; then
2223            gnutls_hash="yes"
2224	else
2225	    gnutls_hash="no"
2226	fi
2227
2228	# gnutls_rnd requires >= 2.11.0
2229	if $pkg_config --exists "gnutls >= 2.11.0"; then
2230	    gnutls_rnd="yes"
2231	else
2232	    gnutls_rnd="no"
2233	fi
2234
2235	if $pkg_config --exists 'gnutls >= 3.0'; then
2236	    gnutls_gcrypt=no
2237	    gnutls_nettle=yes
2238	elif $pkg_config --exists 'gnutls >= 2.12'; then
2239	    case $($pkg_config --libs --static gnutls) in
2240		*gcrypt*)
2241		    gnutls_gcrypt=yes
2242		    gnutls_nettle=no
2243		    ;;
2244		*nettle*)
2245		    gnutls_gcrypt=no
2246		    gnutls_nettle=yes
2247		    ;;
2248		*)
2249		    gnutls_gcrypt=yes
2250		    gnutls_nettle=no
2251		    ;;
2252	    esac
2253	else
2254	    gnutls_gcrypt=yes
2255	    gnutls_nettle=no
2256	fi
2257    elif test "$gnutls" = "yes"; then
2258	feature_not_found "gnutls" "Install gnutls devel"
2259    else
2260        gnutls="no"
2261        gnutls_hash="no"
2262        gnutls_rnd="no"
2263    fi
2264else
2265    gnutls_hash="no"
2266    gnutls_rnd="no"
2267fi
2268
2269
2270# If user didn't give a --disable/enable-gcrypt flag,
2271# then mark as disabled if user requested nettle
2272# explicitly, or if gnutls links to nettle
2273if test -z "$gcrypt"
2274then
2275    if test "$nettle" = "yes" || test "$gnutls_nettle" = "yes"
2276    then
2277        gcrypt="no"
2278    fi
2279fi
2280
2281# If user didn't give a --disable/enable-nettle flag,
2282# then mark as disabled if user requested gcrypt
2283# explicitly, or if gnutls links to gcrypt
2284if test -z "$nettle"
2285then
2286    if test "$gcrypt" = "yes" || test "$gnutls_gcrypt" = "yes"
2287    then
2288        nettle="no"
2289    fi
2290fi
2291
2292has_libgcrypt_config() {
2293    if ! has "libgcrypt-config"
2294    then
2295	return 1
2296    fi
2297
2298    if test -n "$cross_prefix"
2299    then
2300	host=$(libgcrypt-config --host)
2301	if test "$host-" != $cross_prefix
2302	then
2303	    return 1
2304	fi
2305    fi
2306
2307    return 0
2308}
2309
2310if test "$gcrypt" != "no"; then
2311    if has_libgcrypt_config; then
2312        gcrypt_cflags=$(libgcrypt-config --cflags)
2313        gcrypt_libs=$(libgcrypt-config --libs)
2314        # Debian has remove -lgpg-error from libgcrypt-config
2315        # as it "spreads unnecessary dependencies" which in
2316        # turn breaks static builds...
2317        if test "$static" = "yes"
2318        then
2319            gcrypt_libs="$gcrypt_libs -lgpg-error"
2320        fi
2321        libs_softmmu="$gcrypt_libs $libs_softmmu"
2322        libs_tools="$gcrypt_libs $libs_tools"
2323        QEMU_CFLAGS="$QEMU_CFLAGS $gcrypt_cflags"
2324        gcrypt="yes"
2325        if test -z "$nettle"; then
2326           nettle="no"
2327        fi
2328
2329        cat > $TMPC << EOF
2330#include <gcrypt.h>
2331int main(void) {
2332  gcry_kdf_derive(NULL, 0, GCRY_KDF_PBKDF2,
2333                  GCRY_MD_SHA256,
2334                  NULL, 0, 0, 0, NULL);
2335 return 0;
2336}
2337EOF
2338        if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
2339            gcrypt_kdf=yes
2340        fi
2341    else
2342        if test "$gcrypt" = "yes"; then
2343            feature_not_found "gcrypt" "Install gcrypt devel"
2344        else
2345            gcrypt="no"
2346        fi
2347    fi
2348fi
2349
2350
2351if test "$nettle" != "no"; then
2352    if $pkg_config --exists "nettle"; then
2353        nettle_cflags=$($pkg_config --cflags nettle)
2354        nettle_libs=$($pkg_config --libs nettle)
2355        nettle_version=$($pkg_config --modversion nettle)
2356        libs_softmmu="$nettle_libs $libs_softmmu"
2357        libs_tools="$nettle_libs $libs_tools"
2358        QEMU_CFLAGS="$QEMU_CFLAGS $nettle_cflags"
2359        nettle="yes"
2360
2361        cat > $TMPC << EOF
2362#include <stddef.h>
2363#include <nettle/pbkdf2.h>
2364int main(void) {
2365     pbkdf2_hmac_sha256(8, NULL, 1000, 8, NULL, 8, NULL);
2366     return 0;
2367}
2368EOF
2369        if compile_prog "$nettle_cflags" "$nettle_libs" ; then
2370            nettle_kdf=yes
2371        fi
2372    else
2373        if test "$nettle" = "yes"; then
2374            feature_not_found "nettle" "Install nettle devel"
2375        else
2376            nettle="no"
2377        fi
2378    fi
2379fi
2380
2381if test "$gcrypt" = "yes" && test "$nettle" = "yes"
2382then
2383    error_exit "Only one of gcrypt & nettle can be enabled"
2384fi
2385
2386##########################################
2387# libtasn1 - only for the TLS creds/session test suite
2388
2389tasn1=yes
2390tasn1_cflags=""
2391tasn1_libs=""
2392if $pkg_config --exists "libtasn1"; then
2393    tasn1_cflags=$($pkg_config --cflags libtasn1)
2394    tasn1_libs=$($pkg_config --libs libtasn1)
2395else
2396    tasn1=no
2397fi
2398
2399
2400##########################################
2401# getifaddrs (for tests/test-io-channel-socket )
2402
2403have_ifaddrs_h=yes
2404if ! check_include "ifaddrs.h" ; then
2405  have_ifaddrs_h=no
2406fi
2407
2408##########################################
2409# VTE probe
2410
2411if test "$vte" != "no"; then
2412    if test "$gtkabi" = "3.0"; then
2413      vteminversion="0.32.0"
2414      if $pkg_config --exists "vte-2.91"; then
2415        vtepackage="vte-2.91"
2416      else
2417        vtepackage="vte-2.90"
2418      fi
2419    else
2420      vtepackage="vte"
2421      vteminversion="0.24.0"
2422    fi
2423    if $pkg_config --exists "$vtepackage >= $vteminversion"; then
2424        vte_cflags=$($pkg_config --cflags $vtepackage)
2425        vte_libs=$($pkg_config --libs $vtepackage)
2426        vteversion=$($pkg_config --modversion $vtepackage)
2427        libs_softmmu="$vte_libs $libs_softmmu"
2428        vte="yes"
2429    elif test "$vte" = "yes"; then
2430        if test "$gtkabi" = "3.0"; then
2431            feature_not_found "vte" "Install libvte-2.90/2.91 devel"
2432        else
2433            feature_not_found "vte" "Install libvte devel"
2434        fi
2435    else
2436        vte="no"
2437    fi
2438fi
2439
2440##########################################
2441# SDL probe
2442
2443# Look for sdl configuration program (pkg-config or sdl-config).  Try
2444# sdl-config even without cross prefix, and favour pkg-config over sdl-config.
2445
2446if test "$sdlabi" = ""; then
2447    if $pkg_config --exists "sdl"; then
2448        sdlabi=1.2
2449    elif $pkg_config --exists "sdl2"; then
2450        sdlabi=2.0
2451    else
2452        sdlabi=1.2
2453    fi
2454fi
2455
2456if test $sdlabi = "2.0"; then
2457    sdl_config=$sdl2_config
2458    sdlname=sdl2
2459    sdlconfigname=sdl2_config
2460elif test $sdlabi = "1.2"; then
2461    sdlname=sdl
2462    sdlconfigname=sdl_config
2463else
2464    error_exit "Unknown sdlabi $sdlabi, must be 1.2 or 2.0"
2465fi
2466
2467if test "$(basename $sdl_config)" != $sdlconfigname && ! has ${sdl_config}; then
2468  sdl_config=$sdlconfigname
2469fi
2470
2471if $pkg_config $sdlname --exists; then
2472  sdlconfig="$pkg_config $sdlname"
2473  sdlversion=$($sdlconfig --modversion 2>/dev/null)
2474elif has ${sdl_config}; then
2475  sdlconfig="$sdl_config"
2476  sdlversion=$($sdlconfig --version)
2477else
2478  if test "$sdl" = "yes" ; then
2479    feature_not_found "sdl" "Install SDL devel"
2480  fi
2481  sdl=no
2482fi
2483if test -n "$cross_prefix" && test "$(basename "$sdlconfig")" = sdl-config; then
2484  echo warning: using "\"$sdlconfig\"" to detect cross-compiled sdl >&2
2485fi
2486
2487sdl_too_old=no
2488if test "$sdl" != "no" ; then
2489  cat > $TMPC << EOF
2490#include <SDL.h>
2491#undef main /* We don't want SDL to override our main() */
2492int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }
2493EOF
2494  sdl_cflags=$($sdlconfig --cflags 2>/dev/null)
2495  if test "$static" = "yes" ; then
2496    sdl_libs=$($sdlconfig --static-libs 2>/dev/null)
2497  else
2498    sdl_libs=$($sdlconfig --libs 2>/dev/null)
2499  fi
2500  if compile_prog "$sdl_cflags" "$sdl_libs" ; then
2501    if test $(echo $sdlversion | sed 's/[^0-9]//g') -lt 121 ; then
2502      sdl_too_old=yes
2503    else
2504      sdl=yes
2505    fi
2506
2507    # static link with sdl ? (note: sdl.pc's --static --libs is broken)
2508    if test "$sdl" = "yes" -a "$static" = "yes" ; then
2509      if test $? = 0 && echo $sdl_libs | grep -- -laa > /dev/null; then
2510         sdl_libs="$sdl_libs $(aalib-config --static-libs 2>/dev/null)"
2511         sdl_cflags="$sdl_cflags $(aalib-config --cflags 2>/dev/null)"
2512      fi
2513      if compile_prog "$sdl_cflags" "$sdl_libs" ; then
2514	:
2515      else
2516        sdl=no
2517      fi
2518    fi # static link
2519  else # sdl not found
2520    if test "$sdl" = "yes" ; then
2521      feature_not_found "sdl" "Install SDL devel"
2522    fi
2523    sdl=no
2524  fi # sdl compile test
2525fi
2526
2527if test "$sdl" = "yes" ; then
2528  cat > $TMPC <<EOF
2529#include <SDL.h>
2530#if defined(SDL_VIDEO_DRIVER_X11)
2531#include <X11/XKBlib.h>
2532#else
2533#error No x11 support
2534#endif
2535int main(void) { return 0; }
2536EOF
2537  if compile_prog "$sdl_cflags $x11_cflags" "$sdl_libs $x11_libs" ; then
2538    sdl_cflags="$sdl_cflags $x11_cflags"
2539    sdl_libs="$sdl_libs $x11_libs"
2540  fi
2541  libs_softmmu="$sdl_libs $libs_softmmu"
2542fi
2543
2544##########################################
2545# RDMA needs OpenFabrics libraries
2546if test "$rdma" != "no" ; then
2547  cat > $TMPC <<EOF
2548#include <rdma/rdma_cma.h>
2549int main(void) { return 0; }
2550EOF
2551  rdma_libs="-lrdmacm -libverbs"
2552  if compile_prog "" "$rdma_libs" ; then
2553    rdma="yes"
2554    libs_softmmu="$libs_softmmu $rdma_libs"
2555  else
2556    if test "$rdma" = "yes" ; then
2557        error_exit \
2558            " OpenFabrics librdmacm/libibverbs not present." \
2559            " Your options:" \
2560            "  (1) Fast: Install infiniband packages from your distro." \
2561            "  (2) Cleanest: Install libraries from www.openfabrics.org" \
2562            "  (3) Also: Install softiwarp if you don't have RDMA hardware"
2563    fi
2564    rdma="no"
2565  fi
2566fi
2567
2568
2569##########################################
2570# VNC SASL detection
2571if test "$vnc" = "yes" -a "$vnc_sasl" != "no" ; then
2572  cat > $TMPC <<EOF
2573#include <sasl/sasl.h>
2574#include <stdio.h>
2575int main(void) { sasl_server_init(NULL, "qemu"); return 0; }
2576EOF
2577  # Assuming Cyrus-SASL installed in /usr prefix
2578  vnc_sasl_cflags=""
2579  vnc_sasl_libs="-lsasl2"
2580  if compile_prog "$vnc_sasl_cflags" "$vnc_sasl_libs" ; then
2581    vnc_sasl=yes
2582    libs_softmmu="$vnc_sasl_libs $libs_softmmu"
2583    QEMU_CFLAGS="$QEMU_CFLAGS $vnc_sasl_cflags"
2584  else
2585    if test "$vnc_sasl" = "yes" ; then
2586      feature_not_found "vnc-sasl" "Install Cyrus SASL devel"
2587    fi
2588    vnc_sasl=no
2589  fi
2590fi
2591
2592##########################################
2593# VNC JPEG detection
2594if test "$vnc" = "yes" -a "$vnc_jpeg" != "no" ; then
2595cat > $TMPC <<EOF
2596#include <stdio.h>
2597#include <jpeglib.h>
2598int main(void) { struct jpeg_compress_struct s; jpeg_create_compress(&s); return 0; }
2599EOF
2600    vnc_jpeg_cflags=""
2601    vnc_jpeg_libs="-ljpeg"
2602  if compile_prog "$vnc_jpeg_cflags" "$vnc_jpeg_libs" ; then
2603    vnc_jpeg=yes
2604    libs_softmmu="$vnc_jpeg_libs $libs_softmmu"
2605    QEMU_CFLAGS="$QEMU_CFLAGS $vnc_jpeg_cflags"
2606  else
2607    if test "$vnc_jpeg" = "yes" ; then
2608      feature_not_found "vnc-jpeg" "Install libjpeg-turbo devel"
2609    fi
2610    vnc_jpeg=no
2611  fi
2612fi
2613
2614##########################################
2615# VNC PNG detection
2616if test "$vnc" = "yes" -a "$vnc_png" != "no" ; then
2617cat > $TMPC <<EOF
2618//#include <stdio.h>
2619#include <png.h>
2620#include <stddef.h>
2621int main(void) {
2622    png_structp png_ptr;
2623    png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
2624    return png_ptr != 0;
2625}
2626EOF
2627  if $pkg_config libpng --exists; then
2628    vnc_png_cflags=$($pkg_config libpng --cflags)
2629    vnc_png_libs=$($pkg_config libpng --libs)
2630  else
2631    vnc_png_cflags=""
2632    vnc_png_libs="-lpng"
2633  fi
2634  if compile_prog "$vnc_png_cflags" "$vnc_png_libs" ; then
2635    vnc_png=yes
2636    libs_softmmu="$vnc_png_libs $libs_softmmu"
2637    QEMU_CFLAGS="$QEMU_CFLAGS $vnc_png_cflags"
2638  else
2639    if test "$vnc_png" = "yes" ; then
2640      feature_not_found "vnc-png" "Install libpng devel"
2641    fi
2642    vnc_png=no
2643  fi
2644fi
2645
2646##########################################
2647# fnmatch() probe, used for ACL routines
2648fnmatch="no"
2649cat > $TMPC << EOF
2650#include <fnmatch.h>
2651int main(void)
2652{
2653    fnmatch("foo", "foo", 0);
2654    return 0;
2655}
2656EOF
2657if compile_prog "" "" ; then
2658   fnmatch="yes"
2659fi
2660
2661##########################################
2662# uuid_generate() probe, used for vdi block driver
2663# Note that on some systems (notably MacOSX) no extra library
2664# need be linked to get the uuid functions.
2665if test "$uuid" != "no" ; then
2666  uuid_libs="-luuid"
2667  cat > $TMPC << EOF
2668#include <uuid/uuid.h>
2669int main(void)
2670{
2671    uuid_t my_uuid;
2672    uuid_generate(my_uuid);
2673    return 0;
2674}
2675EOF
2676  if compile_prog "" "" ; then
2677    uuid="yes"
2678  elif compile_prog "" "$uuid_libs" ; then
2679    uuid="yes"
2680    libs_softmmu="$uuid_libs $libs_softmmu"
2681    libs_tools="$uuid_libs $libs_tools"
2682  else
2683    if test "$uuid" = "yes" ; then
2684      feature_not_found "uuid" "Install libuuid devel"
2685    fi
2686    uuid=no
2687  fi
2688fi
2689
2690if test "$vhdx" = "yes" ; then
2691    if test "$uuid" = "no" ; then
2692        error_exit "uuid required for VHDX support"
2693    fi
2694elif test "$vhdx" != "no" ; then
2695    if test "$uuid" = "yes" ; then
2696        vhdx=yes
2697    else
2698        vhdx=no
2699    fi
2700fi
2701
2702##########################################
2703# xfsctl() probe, used for raw-posix
2704if test "$xfs" != "no" ; then
2705  cat > $TMPC << EOF
2706#include <stddef.h>  /* NULL */
2707#include <xfs/xfs.h>
2708int main(void)
2709{
2710    xfsctl(NULL, 0, 0, NULL);
2711    return 0;
2712}
2713EOF
2714  if compile_prog "" "" ; then
2715    xfs="yes"
2716  else
2717    if test "$xfs" = "yes" ; then
2718      feature_not_found "xfs" "Instal xfsprogs/xfslibs devel"
2719    fi
2720    xfs=no
2721  fi
2722fi
2723
2724##########################################
2725# vde libraries probe
2726if test "$vde" != "no" ; then
2727  vde_libs="-lvdeplug"
2728  cat > $TMPC << EOF
2729#include <libvdeplug.h>
2730int main(void)
2731{
2732    struct vde_open_args a = {0, 0, 0};
2733    char s[] = "";
2734    vde_open(s, s, &a);
2735    return 0;
2736}
2737EOF
2738  if compile_prog "" "$vde_libs" ; then
2739    vde=yes
2740    libs_softmmu="$vde_libs $libs_softmmu"
2741    libs_tools="$vde_libs $libs_tools"
2742  else
2743    if test "$vde" = "yes" ; then
2744      feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel"
2745    fi
2746    vde=no
2747  fi
2748fi
2749
2750##########################################
2751# netmap support probe
2752# Apart from looking for netmap headers, we make sure that the host API version
2753# supports the netmap backend (>=11). The upper bound (15) is meant to simulate
2754# a minor/major version number. Minor new features will be marked with values up
2755# to 15, and if something happens that requires a change to the backend we will
2756# move above 15, submit the backend fixes and modify this two bounds.
2757if test "$netmap" != "no" ; then
2758  cat > $TMPC << EOF
2759#include <inttypes.h>
2760#include <net/if.h>
2761#include <net/netmap.h>
2762#include <net/netmap_user.h>
2763#if (NETMAP_API < 11) || (NETMAP_API > 15)
2764#error
2765#endif
2766int main(void) { return 0; }
2767EOF
2768  if compile_prog "" "" ; then
2769    netmap=yes
2770  else
2771    if test "$netmap" = "yes" ; then
2772      feature_not_found "netmap"
2773    fi
2774    netmap=no
2775  fi
2776fi
2777
2778##########################################
2779# libcap-ng library probe
2780if test "$cap_ng" != "no" ; then
2781  cap_libs="-lcap-ng"
2782  cat > $TMPC << EOF
2783#include <cap-ng.h>
2784int main(void)
2785{
2786    capng_capability_to_name(CAPNG_EFFECTIVE);
2787    return 0;
2788}
2789EOF
2790  if compile_prog "" "$cap_libs" ; then
2791    cap_ng=yes
2792    libs_tools="$cap_libs $libs_tools"
2793  else
2794    if test "$cap_ng" = "yes" ; then
2795      feature_not_found "cap_ng" "Install libcap-ng devel"
2796    fi
2797    cap_ng=no
2798  fi
2799fi
2800
2801##########################################
2802# Sound support libraries probe
2803
2804audio_drv_probe()
2805{
2806    drv=$1
2807    hdr=$2
2808    lib=$3
2809    exp=$4
2810    cfl=$5
2811        cat > $TMPC << EOF
2812#include <$hdr>
2813int main(void) { $exp }
2814EOF
2815    if compile_prog "$cfl" "$lib" ; then
2816        :
2817    else
2818        error_exit "$drv check failed" \
2819            "Make sure to have the $drv libs and headers installed."
2820    fi
2821}
2822
2823audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g')
2824for drv in $audio_drv_list; do
2825    case $drv in
2826    alsa)
2827    audio_drv_probe $drv alsa/asoundlib.h -lasound \
2828        "return snd_pcm_close((snd_pcm_t *)0);"
2829    libs_softmmu="-lasound $libs_softmmu"
2830    ;;
2831
2832    pa)
2833    audio_drv_probe $drv pulse/pulseaudio.h "-lpulse" \
2834        "pa_context_set_source_output_volume(NULL, 0, NULL, NULL, NULL); return 0;"
2835    libs_softmmu="-lpulse $libs_softmmu"
2836    audio_pt_int="yes"
2837    ;;
2838
2839    coreaudio)
2840      libs_softmmu="-framework CoreAudio $libs_softmmu"
2841    ;;
2842
2843    dsound)
2844      libs_softmmu="-lole32 -ldxguid $libs_softmmu"
2845      audio_win_int="yes"
2846    ;;
2847
2848    oss)
2849      libs_softmmu="$oss_lib $libs_softmmu"
2850    ;;
2851
2852    sdl|wav)
2853    # XXX: Probes for CoreAudio, DirectSound, SDL(?)
2854    ;;
2855
2856    *)
2857    echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
2858        error_exit "Unknown driver '$drv' selected" \
2859            "Possible drivers are: $audio_possible_drivers"
2860    }
2861    ;;
2862    esac
2863done
2864
2865##########################################
2866# BrlAPI probe
2867
2868if test "$brlapi" != "no" ; then
2869  brlapi_libs="-lbrlapi"
2870  cat > $TMPC << EOF
2871#include <brlapi.h>
2872#include <stddef.h>
2873int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }
2874EOF
2875  if compile_prog "" "$brlapi_libs" ; then
2876    brlapi=yes
2877    libs_softmmu="$brlapi_libs $libs_softmmu"
2878  else
2879    if test "$brlapi" = "yes" ; then
2880      feature_not_found "brlapi" "Install brlapi devel"
2881    fi
2882    brlapi=no
2883  fi
2884fi
2885
2886##########################################
2887# curses probe
2888if test "$curses" != "no" ; then
2889  if test "$mingw32" = "yes" ; then
2890    curses_list="$($pkg_config --libs ncurses 2>/dev/null):-lpdcurses"
2891  else
2892    curses_list="$($pkg_config --libs ncurses 2>/dev/null):-lncurses:-lcurses"
2893  fi
2894  curses_found=no
2895  cat > $TMPC << EOF
2896#include <curses.h>
2897int main(void) {
2898  const char *s = curses_version();
2899  resize_term(0, 0);
2900  return s != 0;
2901}
2902EOF
2903  IFS=:
2904  for curses_lib in $curses_list; do
2905    unset IFS
2906    if compile_prog "" "$curses_lib" ; then
2907      curses_found=yes
2908      libs_softmmu="$curses_lib $libs_softmmu"
2909      break
2910    fi
2911  done
2912  unset IFS
2913  if test "$curses_found" = "yes" ; then
2914    curses=yes
2915  else
2916    if test "$curses" = "yes" ; then
2917      feature_not_found "curses" "Install ncurses devel"
2918    fi
2919    curses=no
2920  fi
2921fi
2922
2923##########################################
2924# curl probe
2925if test "$curl" != "no" ; then
2926  if $pkg_config libcurl --exists; then
2927    curlconfig="$pkg_config libcurl"
2928  else
2929    curlconfig=curl-config
2930  fi
2931  cat > $TMPC << EOF
2932#include <curl/curl.h>
2933int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
2934EOF
2935  curl_cflags=$($curlconfig --cflags 2>/dev/null)
2936  curl_libs=$($curlconfig --libs 2>/dev/null)
2937  if compile_prog "$curl_cflags" "$curl_libs" ; then
2938    curl=yes
2939  else
2940    if test "$curl" = "yes" ; then
2941      feature_not_found "curl" "Install libcurl devel"
2942    fi
2943    curl=no
2944  fi
2945fi # test "$curl"
2946
2947##########################################
2948# bluez support probe
2949if test "$bluez" != "no" ; then
2950  cat > $TMPC << EOF
2951#include <bluetooth/bluetooth.h>
2952int main(void) { return bt_error(0); }
2953EOF
2954  bluez_cflags=$($pkg_config --cflags bluez 2>/dev/null)
2955  bluez_libs=$($pkg_config --libs bluez 2>/dev/null)
2956  if compile_prog "$bluez_cflags" "$bluez_libs" ; then
2957    bluez=yes
2958    libs_softmmu="$bluez_libs $libs_softmmu"
2959  else
2960    if test "$bluez" = "yes" ; then
2961      feature_not_found "bluez" "Install bluez-libs/libbluetooth devel"
2962    fi
2963    bluez="no"
2964  fi
2965fi
2966
2967##########################################
2968# glib support probe
2969
2970glib_req_ver=2.22
2971glib_modules=gthread-2.0
2972if test "$modules" = yes; then
2973    glib_modules="$glib_modules gmodule-2.0"
2974fi
2975
2976for i in $glib_modules; do
2977    if $pkg_config --atleast-version=$glib_req_ver $i; then
2978        glib_cflags=$($pkg_config --cflags $i)
2979        glib_libs=$($pkg_config --libs $i)
2980        CFLAGS="$glib_cflags $CFLAGS"
2981        LIBS="$glib_libs $LIBS"
2982        libs_qga="$glib_libs $libs_qga"
2983    else
2984        error_exit "glib-$glib_req_ver $i is required to compile QEMU"
2985    fi
2986done
2987
2988# Sanity check that the current size_t matches the
2989# size that glib thinks it should be. This catches
2990# problems on multi-arch where people try to build
2991# 32-bit QEMU while pointing at 64-bit glib headers
2992cat > $TMPC <<EOF
2993#include <glib.h>
2994#include <unistd.h>
2995
2996#define QEMU_BUILD_BUG_ON(x) \
2997  typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
2998
2999int main(void) {
3000   QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
3001   return 0;
3002}
3003EOF
3004
3005if ! compile_prog "$CFLAGS" "$LIBS" ; then
3006    error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
3007               "You probably need to set PKG_CONFIG_LIBDIR"\
3008	       "to point to the right pkg-config files for your"\
3009	       "build target"
3010fi
3011
3012# g_test_trap_subprocess added in 2.38. Used by some tests.
3013glib_subprocess=yes
3014if ! $pkg_config --atleast-version=2.38 glib-2.0; then
3015    glib_subprocess=no
3016fi
3017
3018# Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
3019cat > $TMPC << EOF
3020#include <glib.h>
3021int main(void) { return 0; }
3022EOF
3023if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3024    if cc_has_warning_flag "-Wno-unknown-attributes"; then
3025        glib_cflags="-Wno-unknown-attributes $glib_cflags"
3026        CFLAGS="-Wno-unknown-attributes $CFLAGS"
3027    fi
3028fi
3029
3030##########################################
3031# SHA command probe for modules
3032if test "$modules" = yes; then
3033    shacmd_probe="sha1sum sha1 shasum"
3034    for c in $shacmd_probe; do
3035        if has $c; then
3036            shacmd="$c"
3037            break
3038        fi
3039    done
3040    if test "$shacmd" = ""; then
3041        error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
3042    fi
3043fi
3044
3045##########################################
3046# pixman support probe
3047
3048if test "$pixman" = ""; then
3049  if test "$want_tools" = "no" -a "$softmmu" = "no"; then
3050    pixman="none"
3051  elif $pkg_config --atleast-version=0.21.8 pixman-1 > /dev/null 2>&1; then
3052    pixman="system"
3053  else
3054    pixman="internal"
3055  fi
3056fi
3057if test "$pixman" = "none"; then
3058  if test "$want_tools" != "no" -o "$softmmu" != "no"; then
3059    error_exit "pixman disabled but system emulation or tools build" \
3060        "enabled.  You can turn off pixman only if you also" \
3061        "disable all system emulation targets and the tools" \
3062        "build with '--disable-tools --disable-system'."
3063  fi
3064  pixman_cflags=
3065  pixman_libs=
3066elif test "$pixman" = "system"; then
3067  # pixman version has been checked above
3068  pixman_cflags=$($pkg_config --cflags pixman-1)
3069  pixman_libs=$($pkg_config --libs pixman-1)
3070else
3071  if test ! -d ${source_path}/pixman/pixman; then
3072    error_exit "pixman >= 0.21.8 not present. Your options:" \
3073        "  (1) Preferred: Install the pixman devel package (any recent" \
3074        "      distro should have packages as Xorg needs pixman too)." \
3075        "  (2) Fetch the pixman submodule, using:" \
3076        "      git submodule update --init pixman"
3077  fi
3078  mkdir -p pixman/pixman
3079  pixman_cflags="-I\$(SRC_PATH)/pixman/pixman -I\$(BUILD_DIR)/pixman/pixman"
3080  pixman_libs="-L\$(BUILD_DIR)/pixman/pixman/.libs -lpixman-1"
3081fi
3082
3083##########################################
3084# libcap probe
3085
3086if test "$cap" != "no" ; then
3087  cat > $TMPC <<EOF
3088#include <stdio.h>
3089#include <sys/capability.h>
3090int main(void) { cap_t caps; caps = cap_init(); return caps != NULL; }
3091EOF
3092  if compile_prog "" "-lcap" ; then
3093    cap=yes
3094  else
3095    cap=no
3096  fi
3097fi
3098
3099##########################################
3100# pthread probe
3101PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
3102
3103pthread=no
3104cat > $TMPC << EOF
3105#include <pthread.h>
3106static void *f(void *p) { return NULL; }
3107int main(void) {
3108  pthread_t thread;
3109  pthread_create(&thread, 0, f, 0);
3110  return 0;
3111}
3112EOF
3113if compile_prog "" "" ; then
3114  pthread=yes
3115else
3116  for pthread_lib in $PTHREADLIBS_LIST; do
3117    if compile_prog "" "$pthread_lib" ; then
3118      pthread=yes
3119      found=no
3120      for lib_entry in $LIBS; do
3121        if test "$lib_entry" = "$pthread_lib"; then
3122          found=yes
3123          break
3124        fi
3125      done
3126      if test "$found" = "no"; then
3127        LIBS="$pthread_lib $LIBS"
3128      fi
3129      break
3130    fi
3131  done
3132fi
3133
3134if test "$mingw32" != yes -a "$pthread" = no; then
3135  error_exit "pthread check failed" \
3136      "Make sure to have the pthread libs and headers installed."
3137fi
3138
3139# check for pthread_setname_np
3140pthread_setname_np=no
3141cat > $TMPC << EOF
3142#include <pthread.h>
3143
3144static void *f(void *p) { return NULL; }
3145int main(void)
3146{
3147    pthread_t thread;
3148    pthread_create(&thread, 0, f, 0);
3149    pthread_setname_np(thread, "QEMU");
3150    return 0;
3151}
3152EOF
3153if compile_prog "" "$pthread_lib" ; then
3154  pthread_setname_np=yes
3155fi
3156
3157##########################################
3158# rbd probe
3159if test "$rbd" != "no" ; then
3160  cat > $TMPC <<EOF
3161#include <stdio.h>
3162#include <rbd/librbd.h>
3163int main(void) {
3164    rados_t cluster;
3165    rados_create(&cluster, NULL);
3166    return 0;
3167}
3168EOF
3169  rbd_libs="-lrbd -lrados"
3170  if compile_prog "" "$rbd_libs" ; then
3171    rbd=yes
3172  else
3173    if test "$rbd" = "yes" ; then
3174      feature_not_found "rados block device" "Install librbd/ceph devel"
3175    fi
3176    rbd=no
3177  fi
3178fi
3179
3180##########################################
3181# libssh2 probe
3182min_libssh2_version=1.2.8
3183if test "$libssh2" != "no" ; then
3184  if $pkg_config --atleast-version=$min_libssh2_version libssh2; then
3185    libssh2_cflags=$($pkg_config libssh2 --cflags)
3186    libssh2_libs=$($pkg_config libssh2 --libs)
3187    libssh2=yes
3188  else
3189    if test "$libssh2" = "yes" ; then
3190      error_exit "libssh2 >= $min_libssh2_version required for --enable-libssh2"
3191    fi
3192    libssh2=no
3193  fi
3194fi
3195
3196##########################################
3197# libssh2_sftp_fsync probe
3198
3199if test "$libssh2" = "yes"; then
3200  cat > $TMPC <<EOF
3201#include <stdio.h>
3202#include <libssh2.h>
3203#include <libssh2_sftp.h>
3204int main(void) {
3205    LIBSSH2_SESSION *session;
3206    LIBSSH2_SFTP *sftp;
3207    LIBSSH2_SFTP_HANDLE *sftp_handle;
3208    session = libssh2_session_init ();
3209    sftp = libssh2_sftp_init (session);
3210    sftp_handle = libssh2_sftp_open (sftp, "/", 0, 0);
3211    libssh2_sftp_fsync (sftp_handle);
3212    return 0;
3213}
3214EOF
3215  # libssh2_cflags/libssh2_libs defined in previous test.
3216  if compile_prog "$libssh2_cflags" "$libssh2_libs" ; then
3217    QEMU_CFLAGS="-DHAS_LIBSSH2_SFTP_FSYNC $QEMU_CFLAGS"
3218  fi
3219fi
3220
3221##########################################
3222# linux-aio probe
3223
3224if test "$linux_aio" != "no" ; then
3225  cat > $TMPC <<EOF
3226#include <libaio.h>
3227#include <sys/eventfd.h>
3228#include <stddef.h>
3229int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
3230EOF
3231  if compile_prog "" "-laio" ; then
3232    linux_aio=yes
3233  else
3234    if test "$linux_aio" = "yes" ; then
3235      feature_not_found "linux AIO" "Install libaio devel"
3236    fi
3237    linux_aio=no
3238  fi
3239fi
3240
3241##########################################
3242# TPM passthrough is only on x86 Linux
3243
3244if test "$targetos" = Linux && test "$cpu" = i386 -o "$cpu" = x86_64; then
3245  tpm_passthrough=$tpm
3246else
3247  tpm_passthrough=no
3248fi
3249
3250##########################################
3251# attr probe
3252
3253if test "$attr" != "no" ; then
3254  cat > $TMPC <<EOF
3255#include <stdio.h>
3256#include <sys/types.h>
3257#ifdef CONFIG_LIBATTR
3258#include <attr/xattr.h>
3259#else
3260#include <sys/xattr.h>
3261#endif
3262int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
3263EOF
3264  if compile_prog "" "" ; then
3265    attr=yes
3266  # Older distros have <attr/xattr.h>, and need -lattr:
3267  elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
3268    attr=yes
3269    LIBS="-lattr $LIBS"
3270    libattr=yes
3271  else
3272    if test "$attr" = "yes" ; then
3273      feature_not_found "ATTR" "Install libc6 or libattr devel"
3274    fi
3275    attr=no
3276  fi
3277fi
3278
3279##########################################
3280# iovec probe
3281cat > $TMPC <<EOF
3282#include <sys/types.h>
3283#include <sys/uio.h>
3284#include <unistd.h>
3285int main(void) { return sizeof(struct iovec); }
3286EOF
3287iovec=no
3288if compile_prog "" "" ; then
3289  iovec=yes
3290fi
3291
3292##########################################
3293# preadv probe
3294cat > $TMPC <<EOF
3295#include <sys/types.h>
3296#include <sys/uio.h>
3297#include <unistd.h>
3298int main(void) { return preadv(0, 0, 0, 0); }
3299EOF
3300preadv=no
3301if compile_prog "" "" ; then
3302  preadv=yes
3303fi
3304
3305##########################################
3306# fdt probe
3307# fdt support is mandatory for at least some target architectures,
3308# so insist on it if we're building those system emulators.
3309fdt_required=no
3310for target in $target_list; do
3311  case $target in
3312    aarch64*-softmmu|arm*-softmmu|ppc*-softmmu|microblaze*-softmmu)
3313      fdt_required=yes
3314    ;;
3315  esac
3316done
3317
3318if test "$fdt_required" = "yes"; then
3319  if test "$fdt" = "no"; then
3320    error_exit "fdt disabled but some requested targets require it." \
3321      "You can turn off fdt only if you also disable all the system emulation" \
3322      "targets which need it (by specifying a cut down --target-list)."
3323  fi
3324  fdt=yes
3325fi
3326
3327if test "$fdt" != "no" ; then
3328  fdt_libs="-lfdt"
3329  # explicitly check for libfdt_env.h as it is missing in some stable installs
3330  # and test for required functions to make sure we are on a version >= 1.4.0
3331  cat > $TMPC << EOF
3332#include <libfdt.h>
3333#include <libfdt_env.h>
3334int main(void) { fdt_get_property_by_offset(0, 0, 0); return 0; }
3335EOF
3336  if compile_prog "" "$fdt_libs" ; then
3337    # system DTC is good - use it
3338    fdt=yes
3339  elif test -d ${source_path}/dtc/libfdt ; then
3340    # have submodule DTC - use it
3341    fdt=yes
3342    dtc_internal="yes"
3343    mkdir -p dtc
3344    if [ "$pwd_is_source_path" != "y" ] ; then
3345       symlink "$source_path/dtc/Makefile" "dtc/Makefile"
3346       symlink "$source_path/dtc/scripts" "dtc/scripts"
3347    fi
3348    fdt_cflags="-I\$(SRC_PATH)/dtc/libfdt"
3349    fdt_libs="-L\$(BUILD_DIR)/dtc/libfdt $fdt_libs"
3350  elif test "$fdt" = "yes" ; then
3351    # have neither and want - prompt for system/submodule install
3352    error_exit "DTC (libfdt) version >= 1.4.0 not present. Your options:" \
3353        "  (1) Preferred: Install the DTC (libfdt) devel package" \
3354        "  (2) Fetch the DTC submodule, using:" \
3355        "      git submodule update --init dtc"
3356  else
3357    # don't have and don't want
3358    fdt_libs=
3359    fdt=no
3360  fi
3361fi
3362
3363libs_softmmu="$libs_softmmu $fdt_libs"
3364
3365##########################################
3366# opengl probe (for sdl2, gtk, milkymist-tmu2)
3367
3368if test "$opengl" != "no" ; then
3369  opengl_pkgs="epoxy libdrm gbm"
3370  if $pkg_config $opengl_pkgs x11; then
3371    opengl_cflags="$($pkg_config --cflags $opengl_pkgs) $x11_cflags"
3372    opengl_libs="$($pkg_config --libs $opengl_pkgs) $x11_libs"
3373    opengl=yes
3374    if test "$gtk" = "yes" && $pkg_config --exists "$gtkpackage >= 3.16"; then
3375        gtk_gl="yes"
3376    fi
3377  else
3378    if test "$opengl" = "yes" ; then
3379      feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
3380    fi
3381    opengl_cflags=""
3382    opengl_libs=""
3383    opengl=no
3384  fi
3385fi
3386
3387if test "$opengl" = "yes"; then
3388  cat > $TMPC << EOF
3389#include <epoxy/egl.h>
3390#ifndef EGL_MESA_image_dma_buf_export
3391# error mesa/epoxy lacks support for dmabufs (mesa 10.6+)
3392#endif
3393int main(void) { return 0; }
3394EOF
3395  if compile_prog "" "" ; then
3396    opengl_dmabuf=yes
3397  fi
3398fi
3399
3400##########################################
3401# archipelago probe
3402if test "$archipelago" != "no" ; then
3403    cat > $TMPC <<EOF
3404#include <stdio.h>
3405#include <xseg/xseg.h>
3406#include <xseg/protocol.h>
3407int main(void) {
3408    xseg_initialize();
3409    return 0;
3410}
3411EOF
3412    archipelago_libs=-lxseg
3413    if compile_prog "" "$archipelago_libs"; then
3414        archipelago="yes"
3415        libs_tools="$archipelago_libs $libs_tools"
3416        libs_softmmu="$archipelago_libs $libs_softmmu"
3417
3418	echo "WARNING: Please check the licenses of QEMU and libxseg carefully."
3419	echo "GPLv3 versions of libxseg may not be compatible with QEMU's"
3420	echo "license and therefore prevent redistribution."
3421	echo
3422	echo "To disable Archipelago, use --disable-archipelago"
3423    else
3424      if test "$archipelago" = "yes" ; then
3425        feature_not_found "Archipelago backend support" "Install libxseg devel"
3426      fi
3427      archipelago="no"
3428    fi
3429fi
3430
3431
3432##########################################
3433# glusterfs probe
3434if test "$glusterfs" != "no" ; then
3435  if $pkg_config --atleast-version=3 glusterfs-api; then
3436    glusterfs="yes"
3437    glusterfs_cflags=$($pkg_config --cflags glusterfs-api)
3438    glusterfs_libs=$($pkg_config --libs glusterfs-api)
3439    if $pkg_config --atleast-version=4 glusterfs-api; then
3440      glusterfs_xlator_opt="yes"
3441    fi
3442    if $pkg_config --atleast-version=5 glusterfs-api; then
3443      glusterfs_discard="yes"
3444    fi
3445    if $pkg_config --atleast-version=6 glusterfs-api; then
3446      glusterfs_zerofill="yes"
3447    fi
3448  else
3449    if test "$glusterfs" = "yes" ; then
3450      feature_not_found "GlusterFS backend support" \
3451          "Install glusterfs-api devel >= 3"
3452    fi
3453    glusterfs="no"
3454  fi
3455fi
3456
3457# Check for inotify functions when we are building linux-user
3458# emulator.  This is done because older glibc versions don't
3459# have syscall stubs for these implemented.  In that case we
3460# don't provide them even if kernel supports them.
3461#
3462inotify=no
3463cat > $TMPC << EOF
3464#include <sys/inotify.h>
3465
3466int
3467main(void)
3468{
3469	/* try to start inotify */
3470	return inotify_init();
3471}
3472EOF
3473if compile_prog "" "" ; then
3474  inotify=yes
3475fi
3476
3477inotify1=no
3478cat > $TMPC << EOF
3479#include <sys/inotify.h>
3480
3481int
3482main(void)
3483{
3484    /* try to start inotify */
3485    return inotify_init1(0);
3486}
3487EOF
3488if compile_prog "" "" ; then
3489  inotify1=yes
3490fi
3491
3492# check if utimensat and futimens are supported
3493utimens=no
3494cat > $TMPC << EOF
3495#define _ATFILE_SOURCE
3496#include <stddef.h>
3497#include <fcntl.h>
3498#include <sys/stat.h>
3499
3500int main(void)
3501{
3502    utimensat(AT_FDCWD, "foo", NULL, 0);
3503    futimens(0, NULL);
3504    return 0;
3505}
3506EOF
3507if compile_prog "" "" ; then
3508  utimens=yes
3509fi
3510
3511# check if pipe2 is there
3512pipe2=no
3513cat > $TMPC << EOF
3514#include <unistd.h>
3515#include <fcntl.h>
3516
3517int main(void)
3518{
3519    int pipefd[2];
3520    return pipe2(pipefd, O_CLOEXEC);
3521}
3522EOF
3523if compile_prog "" "" ; then
3524  pipe2=yes
3525fi
3526
3527# check if accept4 is there
3528accept4=no
3529cat > $TMPC << EOF
3530#include <sys/socket.h>
3531#include <stddef.h>
3532
3533int main(void)
3534{
3535    accept4(0, NULL, NULL, SOCK_CLOEXEC);
3536    return 0;
3537}
3538EOF
3539if compile_prog "" "" ; then
3540  accept4=yes
3541fi
3542
3543# check if tee/splice is there. vmsplice was added same time.
3544splice=no
3545cat > $TMPC << EOF
3546#include <unistd.h>
3547#include <fcntl.h>
3548#include <limits.h>
3549
3550int main(void)
3551{
3552    int len, fd = 0;
3553    len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
3554    splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
3555    return 0;
3556}
3557EOF
3558if compile_prog "" "" ; then
3559  splice=yes
3560fi
3561
3562##########################################
3563# libnuma probe
3564
3565if test "$numa" != "no" ; then
3566  cat > $TMPC << EOF
3567#include <numa.h>
3568int main(void) { return numa_available(); }
3569EOF
3570
3571  if compile_prog "" "-lnuma" ; then
3572    numa=yes
3573    libs_softmmu="-lnuma $libs_softmmu"
3574  else
3575    if test "$numa" = "yes" ; then
3576      feature_not_found "numa" "install numactl devel"
3577    fi
3578    numa=no
3579  fi
3580fi
3581
3582if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
3583    echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
3584    exit 1
3585fi
3586
3587##########################################
3588# tcmalloc probe
3589
3590if test "$tcmalloc" = "yes" ; then
3591  cat > $TMPC << EOF
3592#include <stdlib.h>
3593int main(void) { malloc(1); return 0; }
3594EOF
3595
3596  if compile_prog "" "-ltcmalloc" ; then
3597    LIBS="-ltcmalloc $LIBS"
3598  else
3599    feature_not_found "tcmalloc" "install gperftools devel"
3600  fi
3601fi
3602
3603##########################################
3604# jemalloc probe
3605
3606if test "$jemalloc" = "yes" ; then
3607  cat > $TMPC << EOF
3608#include <stdlib.h>
3609int main(void) { malloc(1); return 0; }
3610EOF
3611
3612  if compile_prog "" "-ljemalloc" ; then
3613    LIBS="-ljemalloc $LIBS"
3614  else
3615    feature_not_found "jemalloc" "install jemalloc devel"
3616  fi
3617fi
3618
3619##########################################
3620# signalfd probe
3621signalfd="no"
3622cat > $TMPC << EOF
3623#include <unistd.h>
3624#include <sys/syscall.h>
3625#include <signal.h>
3626int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
3627EOF
3628
3629if compile_prog "" "" ; then
3630  signalfd=yes
3631fi
3632
3633# check if eventfd is supported
3634eventfd=no
3635cat > $TMPC << EOF
3636#include <sys/eventfd.h>
3637
3638int main(void)
3639{
3640    return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
3641}
3642EOF
3643if compile_prog "" "" ; then
3644  eventfd=yes
3645fi
3646
3647# check if memfd is supported
3648memfd=no
3649cat > $TMPC << EOF
3650#include <sys/memfd.h>
3651
3652int main(void)
3653{
3654    return memfd_create("foo", MFD_ALLOW_SEALING);
3655}
3656EOF
3657if compile_prog "" "" ; then
3658  memfd=yes
3659fi
3660
3661
3662
3663# check for fallocate
3664fallocate=no
3665cat > $TMPC << EOF
3666#include <fcntl.h>
3667
3668int main(void)
3669{
3670    fallocate(0, 0, 0, 0);
3671    return 0;
3672}
3673EOF
3674if compile_prog "" "" ; then
3675  fallocate=yes
3676fi
3677
3678# check for fallocate hole punching
3679fallocate_punch_hole=no
3680cat > $TMPC << EOF
3681#include <fcntl.h>
3682#include <linux/falloc.h>
3683
3684int main(void)
3685{
3686    fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
3687    return 0;
3688}
3689EOF
3690if compile_prog "" "" ; then
3691  fallocate_punch_hole=yes
3692fi
3693
3694# check that fallocate supports range zeroing inside the file
3695fallocate_zero_range=no
3696cat > $TMPC << EOF
3697#include <fcntl.h>
3698#include <linux/falloc.h>
3699
3700int main(void)
3701{
3702    fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
3703    return 0;
3704}
3705EOF
3706if compile_prog "" "" ; then
3707  fallocate_zero_range=yes
3708fi
3709
3710# check for posix_fallocate
3711posix_fallocate=no
3712cat > $TMPC << EOF
3713#include <fcntl.h>
3714
3715int main(void)
3716{
3717    posix_fallocate(0, 0, 0);
3718    return 0;
3719}
3720EOF
3721if compile_prog "" "" ; then
3722    posix_fallocate=yes
3723fi
3724
3725# check for sync_file_range
3726sync_file_range=no
3727cat > $TMPC << EOF
3728#include <fcntl.h>
3729
3730int main(void)
3731{
3732    sync_file_range(0, 0, 0, 0);
3733    return 0;
3734}
3735EOF
3736if compile_prog "" "" ; then
3737  sync_file_range=yes
3738fi
3739
3740# check for linux/fiemap.h and FS_IOC_FIEMAP
3741fiemap=no
3742cat > $TMPC << EOF
3743#include <sys/ioctl.h>
3744#include <linux/fs.h>
3745#include <linux/fiemap.h>
3746
3747int main(void)
3748{
3749    ioctl(0, FS_IOC_FIEMAP, 0);
3750    return 0;
3751}
3752EOF
3753if compile_prog "" "" ; then
3754  fiemap=yes
3755fi
3756
3757# check for dup3
3758dup3=no
3759cat > $TMPC << EOF
3760#include <unistd.h>
3761
3762int main(void)
3763{
3764    dup3(0, 0, 0);
3765    return 0;
3766}
3767EOF
3768if compile_prog "" "" ; then
3769  dup3=yes
3770fi
3771
3772# check for ppoll support
3773ppoll=no
3774cat > $TMPC << EOF
3775#include <poll.h>
3776
3777int main(void)
3778{
3779    struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
3780    ppoll(&pfd, 1, 0, 0);
3781    return 0;
3782}
3783EOF
3784if compile_prog "" "" ; then
3785  ppoll=yes
3786fi
3787
3788# check for prctl(PR_SET_TIMERSLACK , ... ) support
3789prctl_pr_set_timerslack=no
3790cat > $TMPC << EOF
3791#include <sys/prctl.h>
3792
3793int main(void)
3794{
3795    prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
3796    return 0;
3797}
3798EOF
3799if compile_prog "" "" ; then
3800  prctl_pr_set_timerslack=yes
3801fi
3802
3803# check for epoll support
3804epoll=no
3805cat > $TMPC << EOF
3806#include <sys/epoll.h>
3807
3808int main(void)
3809{
3810    epoll_create(0);
3811    return 0;
3812}
3813EOF
3814if compile_prog "" "" ; then
3815  epoll=yes
3816fi
3817
3818# epoll_create1 is a later addition
3819# so we must check separately for its presence
3820epoll_create1=no
3821cat > $TMPC << EOF
3822#include <sys/epoll.h>
3823
3824int main(void)
3825{
3826    /* Note that we use epoll_create1 as a value, not as
3827     * a function being called. This is necessary so that on
3828     * old SPARC glibc versions where the function was present in
3829     * the library but not declared in the header file we will
3830     * fail the configure check. (Otherwise we will get a compiler
3831     * warning but not an error, and will proceed to fail the
3832     * qemu compile where we compile with -Werror.)
3833     */
3834    return (int)(uintptr_t)&epoll_create1;
3835}
3836EOF
3837if compile_prog "" "" ; then
3838  epoll_create1=yes
3839fi
3840
3841# check for sendfile support
3842sendfile=no
3843cat > $TMPC << EOF
3844#include <sys/sendfile.h>
3845
3846int main(void)
3847{
3848    return sendfile(0, 0, 0, 0);
3849}
3850EOF
3851if compile_prog "" "" ; then
3852  sendfile=yes
3853fi
3854
3855# check for timerfd support (glibc 2.8 and newer)
3856timerfd=no
3857cat > $TMPC << EOF
3858#include <sys/timerfd.h>
3859
3860int main(void)
3861{
3862    return(timerfd_create(CLOCK_REALTIME, 0));
3863}
3864EOF
3865if compile_prog "" "" ; then
3866  timerfd=yes
3867fi
3868
3869# check for setns and unshare support
3870setns=no
3871cat > $TMPC << EOF
3872#include <sched.h>
3873
3874int main(void)
3875{
3876    int ret;
3877    ret = setns(0, 0);
3878    ret = unshare(0);
3879    return ret;
3880}
3881EOF
3882if compile_prog "" "" ; then
3883  setns=yes
3884fi
3885
3886# Check if tools are available to build documentation.
3887if test "$docs" != "no" ; then
3888  if has makeinfo && has pod2man; then
3889    docs=yes
3890  else
3891    if test "$docs" = "yes" ; then
3892      feature_not_found "docs" "Install texinfo and Perl/perl-podlators"
3893    fi
3894    docs=no
3895  fi
3896fi
3897
3898# Search for bswap_32 function
3899byteswap_h=no
3900cat > $TMPC << EOF
3901#include <byteswap.h>
3902int main(void) { return bswap_32(0); }
3903EOF
3904if compile_prog "" "" ; then
3905  byteswap_h=yes
3906fi
3907
3908# Search for bswap32 function
3909bswap_h=no
3910cat > $TMPC << EOF
3911#include <sys/endian.h>
3912#include <sys/types.h>
3913#include <machine/bswap.h>
3914int main(void) { return bswap32(0); }
3915EOF
3916if compile_prog "" "" ; then
3917  bswap_h=yes
3918fi
3919
3920##########################################
3921# Do we have libiscsi >= 1.9.0
3922if test "$libiscsi" != "no" ; then
3923  if $pkg_config --atleast-version=1.9.0 libiscsi; then
3924    libiscsi="yes"
3925    libiscsi_cflags=$($pkg_config --cflags libiscsi)
3926    libiscsi_libs=$($pkg_config --libs libiscsi)
3927  else
3928    if test "$libiscsi" = "yes" ; then
3929      feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
3930    fi
3931    libiscsi="no"
3932  fi
3933fi
3934
3935##########################################
3936# Do we need libm
3937cat > $TMPC << EOF
3938#include <math.h>
3939int main(int argc, char **argv) { return isnan(sin((double)argc)); }
3940EOF
3941if compile_prog "" "" ; then
3942  :
3943elif compile_prog "" "-lm" ; then
3944  LIBS="-lm $LIBS"
3945  libs_qga="-lm $libs_qga"
3946else
3947  error_exit "libm check failed"
3948fi
3949
3950##########################################
3951# Do we need librt
3952# uClibc provides 2 versions of clock_gettime(), one with realtime
3953# support and one without. This means that the clock_gettime() don't
3954# need -lrt. We still need it for timer_create() so we check for this
3955# function in addition.
3956cat > $TMPC <<EOF
3957#include <signal.h>
3958#include <time.h>
3959int main(void) {
3960  timer_create(CLOCK_REALTIME, NULL, NULL);
3961  return clock_gettime(CLOCK_REALTIME, NULL);
3962}
3963EOF
3964
3965if compile_prog "" "" ; then
3966  :
3967# we need pthread for static linking. use previous pthread test result
3968elif compile_prog "" "$pthread_lib -lrt" ; then
3969  LIBS="$LIBS -lrt"
3970  libs_qga="$libs_qga -lrt"
3971fi
3972
3973if test "$darwin" != "yes" -a "$mingw32" != "yes" -a "$solaris" != yes -a \
3974        "$aix" != "yes" -a "$haiku" != "yes" ; then
3975    libs_softmmu="-lutil $libs_softmmu"
3976fi
3977
3978##########################################
3979# spice probe
3980if test "$spice" != "no" ; then
3981  cat > $TMPC << EOF
3982#include <spice.h>
3983int main(void) { spice_server_new(); return 0; }
3984EOF
3985  spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
3986  spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
3987  if $pkg_config --atleast-version=0.12.0 spice-server && \
3988     $pkg_config --atleast-version=0.12.3 spice-protocol && \
3989     compile_prog "$spice_cflags" "$spice_libs" ; then
3990    spice="yes"
3991    libs_softmmu="$libs_softmmu $spice_libs"
3992    QEMU_CFLAGS="$QEMU_CFLAGS $spice_cflags"
3993    spice_protocol_version=$($pkg_config --modversion spice-protocol)
3994    spice_server_version=$($pkg_config --modversion spice-server)
3995  else
3996    if test "$spice" = "yes" ; then
3997      feature_not_found "spice" \
3998          "Install spice-server(>=0.12.0) and spice-protocol(>=0.12.3) devel"
3999    fi
4000    spice="no"
4001  fi
4002fi
4003
4004# check for smartcard support
4005smartcard_cflags=""
4006if test "$smartcard" != "no"; then
4007    if $pkg_config libcacard; then
4008        libcacard_cflags=$($pkg_config --cflags libcacard)
4009        libcacard_libs=$($pkg_config --libs libcacard)
4010        QEMU_CFLAGS="$QEMU_CFLAGS $libcacard_cflags"
4011        libs_softmmu="$libs_softmmu $libcacard_libs"
4012        smartcard="yes"
4013    else
4014        if test "$smartcard" = "yes"; then
4015            feature_not_found "smartcard" "Install libcacard devel"
4016        fi
4017        smartcard="no"
4018    fi
4019fi
4020
4021# check for libusb
4022if test "$libusb" != "no" ; then
4023    if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
4024        libusb="yes"
4025        libusb_cflags=$($pkg_config --cflags libusb-1.0)
4026        libusb_libs=$($pkg_config --libs libusb-1.0)
4027        QEMU_CFLAGS="$QEMU_CFLAGS $libusb_cflags"
4028        libs_softmmu="$libs_softmmu $libusb_libs"
4029    else
4030        if test "$libusb" = "yes"; then
4031            feature_not_found "libusb" "Install libusb devel >= 1.0.13"
4032        fi
4033        libusb="no"
4034    fi
4035fi
4036
4037# check for usbredirparser for usb network redirection support
4038if test "$usb_redir" != "no" ; then
4039    if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
4040        usb_redir="yes"
4041        usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
4042        usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
4043        QEMU_CFLAGS="$QEMU_CFLAGS $usb_redir_cflags"
4044        libs_softmmu="$libs_softmmu $usb_redir_libs"
4045    else
4046        if test "$usb_redir" = "yes"; then
4047            feature_not_found "usb-redir" "Install usbredir devel"
4048        fi
4049        usb_redir="no"
4050    fi
4051fi
4052
4053##########################################
4054# check if we have VSS SDK headers for win
4055
4056if test "$mingw32" = "yes" -a "$guest_agent" != "no" -a "$vss_win32_sdk" != "no" ; then
4057  case "$vss_win32_sdk" in
4058    "")   vss_win32_include="-I$source_path" ;;
4059    *\ *) # The SDK is installed in "Program Files" by default, but we cannot
4060          # handle path with spaces. So we symlink the headers into ".sdk/vss".
4061          vss_win32_include="-I$source_path/.sdk/vss"
4062	  symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
4063	  ;;
4064    *)    vss_win32_include="-I$vss_win32_sdk"
4065  esac
4066  cat > $TMPC << EOF
4067#define __MIDL_user_allocate_free_DEFINED__
4068#include <inc/win2003/vss.h>
4069int main(void) { return VSS_CTX_BACKUP; }
4070EOF
4071  if compile_prog "$vss_win32_include" "" ; then
4072    guest_agent_with_vss="yes"
4073    QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
4074    libs_qga="-lole32 -loleaut32 -lshlwapi -luuid -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
4075    qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb"
4076  else
4077    if test "$vss_win32_sdk" != "" ; then
4078      echo "ERROR: Please download and install Microsoft VSS SDK:"
4079      echo "ERROR:   http://www.microsoft.com/en-us/download/details.aspx?id=23490"
4080      echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
4081      echo "ERROR:   scripts/extract-vsssdk-headers setup.exe"
4082      echo "ERROR: The headers are extracted in the directory \`inc'."
4083      feature_not_found "VSS support"
4084    fi
4085    guest_agent_with_vss="no"
4086  fi
4087fi
4088
4089##########################################
4090# lookup Windows platform SDK (if not specified)
4091# The SDK is needed only to build .tlb (type library) file of guest agent
4092# VSS provider from the source. It is usually unnecessary because the
4093# pre-compiled .tlb file is included.
4094
4095if test "$mingw32" = "yes" -a "$guest_agent" != "no" -a "$guest_agent_with_vss" = "yes" ; then
4096  if test -z "$win_sdk"; then
4097    programfiles="$PROGRAMFILES"
4098    test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
4099    if test -n "$programfiles"; then
4100      win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
4101    else
4102      feature_not_found "Windows SDK"
4103    fi
4104  elif test "$win_sdk" = "no"; then
4105    win_sdk=""
4106  fi
4107fi
4108
4109##########################################
4110# check if mingw environment provides a recent ntddscsi.h
4111if test "$mingw32" = "yes" -a "$guest_agent" != "no"; then
4112  cat > $TMPC << EOF
4113#include <windows.h>
4114#include <ntddscsi.h>
4115int main(void) {
4116#if !defined(IOCTL_SCSI_GET_ADDRESS)
4117#error Missing required ioctl definitions
4118#endif
4119  SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
4120  return addr.Lun;
4121}
4122EOF
4123  if compile_prog "" "" ; then
4124    guest_agent_ntddscsi=yes
4125    libs_qga="-lsetupapi $libs_qga"
4126  fi
4127fi
4128
4129##########################################
4130# virgl renderer probe
4131
4132if test "$virglrenderer" != "no" ; then
4133  cat > $TMPC << EOF
4134#include <virglrenderer.h>
4135int main(void) { virgl_renderer_poll(); return 0; }
4136EOF
4137  virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
4138  virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
4139  if $pkg_config virglrenderer >/dev/null 2>&1 && \
4140     compile_prog "$virgl_cflags" "$virgl_libs" ; then
4141    virglrenderer="yes"
4142  else
4143    if test "$virglrenderer" = "yes" ; then
4144      feature_not_found "virglrenderer"
4145    fi
4146    virglrenderer="no"
4147  fi
4148fi
4149
4150##########################################
4151# check if we have fdatasync
4152
4153fdatasync=no
4154cat > $TMPC << EOF
4155#include <unistd.h>
4156int main(void) {
4157#if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
4158return fdatasync(0);
4159#else
4160#error Not supported
4161#endif
4162}
4163EOF
4164if compile_prog "" "" ; then
4165    fdatasync=yes
4166fi
4167
4168##########################################
4169# check if we have madvise
4170
4171madvise=no
4172cat > $TMPC << EOF
4173#include <sys/types.h>
4174#include <sys/mman.h>
4175#include <stddef.h>
4176int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
4177EOF
4178if compile_prog "" "" ; then
4179    madvise=yes
4180fi
4181
4182##########################################
4183# check if we have posix_madvise
4184
4185posix_madvise=no
4186cat > $TMPC << EOF
4187#include <sys/mman.h>
4188#include <stddef.h>
4189int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
4190EOF
4191if compile_prog "" "" ; then
4192    posix_madvise=yes
4193fi
4194
4195##########################################
4196# check if trace backend exists
4197
4198$python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends  > /dev/null 2> /dev/null
4199if test "$?" -ne 0 ; then
4200  error_exit "invalid trace backends" \
4201      "Please choose supported trace backends."
4202fi
4203
4204##########################################
4205# For 'ust' backend, test if ust headers are present
4206if have_backend "ust"; then
4207  cat > $TMPC << EOF
4208#include <lttng/tracepoint.h>
4209int main(void) { return 0; }
4210EOF
4211  if compile_prog "" "" ; then
4212    if $pkg_config lttng-ust --exists; then
4213      lttng_ust_libs=$($pkg_config --libs lttng-ust)
4214    else
4215      lttng_ust_libs="-llttng-ust"
4216    fi
4217    if $pkg_config liburcu-bp --exists; then
4218      urcu_bp_libs=$($pkg_config --libs liburcu-bp)
4219    else
4220      urcu_bp_libs="-lurcu-bp"
4221    fi
4222
4223    LIBS="$lttng_ust_libs $urcu_bp_libs $LIBS"
4224    libs_qga="$lttng_ust_libs $urcu_bp_libs $libs_qga"
4225  else
4226    error_exit "Trace backend 'ust' missing lttng-ust header files"
4227  fi
4228fi
4229
4230##########################################
4231# For 'dtrace' backend, test if 'dtrace' command is present
4232if have_backend "dtrace"; then
4233  if ! has 'dtrace' ; then
4234    error_exit "dtrace command is not found in PATH $PATH"
4235  fi
4236  trace_backend_stap="no"
4237  if has 'stap' ; then
4238    trace_backend_stap="yes"
4239  fi
4240fi
4241
4242##########################################
4243# check and set a backend for coroutine
4244
4245# We prefer ucontext, but it's not always possible. The fallback
4246# is sigcontext. gthread is not selectable except explicitly, because
4247# it is not functional enough to run QEMU proper. (It is occasionally
4248# useful for debugging purposes.)  On Windows the only valid backend
4249# is the Windows-specific one.
4250
4251ucontext_works=no
4252if test "$darwin" != "yes"; then
4253  cat > $TMPC << EOF
4254#include <ucontext.h>
4255#ifdef __stub_makecontext
4256#error Ignoring glibc stub makecontext which will always fail
4257#endif
4258int main(void) { makecontext(0, 0, 0); return 0; }
4259EOF
4260  if compile_prog "" "" ; then
4261    ucontext_works=yes
4262  fi
4263fi
4264
4265if test "$coroutine" = ""; then
4266  if test "$mingw32" = "yes"; then
4267    coroutine=win32
4268  elif test "$ucontext_works" = "yes"; then
4269    coroutine=ucontext
4270  else
4271    coroutine=sigaltstack
4272  fi
4273else
4274  case $coroutine in
4275  windows)
4276    if test "$mingw32" != "yes"; then
4277      error_exit "'windows' coroutine backend only valid for Windows"
4278    fi
4279    # Unfortunately the user visible backend name doesn't match the
4280    # coroutine-*.c filename for this case, so we have to adjust it here.
4281    coroutine=win32
4282    ;;
4283  ucontext)
4284    if test "$ucontext_works" != "yes"; then
4285      feature_not_found "ucontext"
4286    fi
4287    ;;
4288  gthread|sigaltstack)
4289    if test "$mingw32" = "yes"; then
4290      error_exit "only the 'windows' coroutine backend is valid for Windows"
4291    fi
4292    ;;
4293  *)
4294    error_exit "unknown coroutine backend $coroutine"
4295    ;;
4296  esac
4297fi
4298
4299if test "$coroutine_pool" = ""; then
4300  if test "$coroutine" = "gthread"; then
4301    coroutine_pool=no
4302  else
4303    coroutine_pool=yes
4304  fi
4305fi
4306if test "$coroutine" = "gthread" -a "$coroutine_pool" = "yes"; then
4307  error_exit "'gthread' coroutine backend does not support pool (use --disable-coroutine-pool)"
4308fi
4309
4310##########################################
4311# check if we have open_by_handle_at
4312
4313open_by_handle_at=no
4314cat > $TMPC << EOF
4315#include <fcntl.h>
4316#if !defined(AT_EMPTY_PATH)
4317# error missing definition
4318#else
4319int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
4320#endif
4321EOF
4322if compile_prog "" "" ; then
4323    open_by_handle_at=yes
4324fi
4325
4326########################################
4327# check if we have linux/magic.h
4328
4329linux_magic_h=no
4330cat > $TMPC << EOF
4331#include <linux/magic.h>
4332int main(void) {
4333  return 0;
4334}
4335EOF
4336if compile_prog "" "" ; then
4337    linux_magic_h=yes
4338fi
4339
4340########################################
4341# check whether we can disable warning option with a pragma (this is needed
4342# to silence warnings in the headers of some versions of external libraries).
4343# This test has to be compiled with -Werror as otherwise an unknown pragma is
4344# only a warning.
4345#
4346# If we can't selectively disable warning in the code, disable -Werror so that
4347# the build doesn't fail anyway.
4348
4349pragma_disable_unused_but_set=no
4350cat > $TMPC << EOF
4351#pragma GCC diagnostic push
4352#pragma GCC diagnostic ignored "-Wunused-but-set-variable"
4353#pragma GCC diagnostic ignored "-Wstrict-prototypes"
4354#pragma GCC diagnostic pop
4355
4356int main(void) {
4357    return 0;
4358}
4359EOF
4360if compile_prog "-Werror" "" ; then
4361    pragma_diagnostic_available=yes
4362else
4363    werror=no
4364fi
4365
4366########################################
4367# check if we have valgrind/valgrind.h
4368
4369valgrind_h=no
4370cat > $TMPC << EOF
4371#include <valgrind/valgrind.h>
4372int main(void) {
4373  return 0;
4374}
4375EOF
4376if compile_prog "" "" ; then
4377    valgrind_h=yes
4378fi
4379
4380########################################
4381# check if environ is declared
4382
4383has_environ=no
4384cat > $TMPC << EOF
4385#include <unistd.h>
4386int main(void) {
4387    environ = 0;
4388    return 0;
4389}
4390EOF
4391if compile_prog "" "" ; then
4392    has_environ=yes
4393fi
4394
4395########################################
4396# check if cpuid.h is usable.
4397
4398cpuid_h=no
4399cat > $TMPC << EOF
4400#include <cpuid.h>
4401int main(void) {
4402    unsigned a, b, c, d;
4403    int max = __get_cpuid_max(0, 0);
4404
4405    if (max >= 1) {
4406        __cpuid(1, a, b, c, d);
4407    }
4408
4409    if (max >= 7) {
4410        __cpuid_count(7, 0, a, b, c, d);
4411    }
4412
4413    return 0;
4414}
4415EOF
4416if compile_prog "" "" ; then
4417    cpuid_h=yes
4418fi
4419
4420########################################
4421# check if __[u]int128_t is usable.
4422
4423int128=no
4424cat > $TMPC << EOF
4425#if defined(__clang_major__) && defined(__clang_minor__)
4426# if ((__clang_major__ < 3) || (__clang_major__ == 3) && (__clang_minor__ < 2))
4427#  error __int128_t does not work in CLANG before 3.2
4428# endif
4429#endif
4430__int128_t a;
4431__uint128_t b;
4432int main (void) {
4433  a = a + b;
4434  b = a * b;
4435  a = a * a;
4436  return 0;
4437}
4438EOF
4439if compile_prog "" "" ; then
4440    int128=yes
4441fi
4442
4443########################################
4444# check if getauxval is available.
4445
4446getauxval=no
4447cat > $TMPC << EOF
4448#include <sys/auxv.h>
4449int main(void) {
4450  return getauxval(AT_HWCAP) == 0;
4451}
4452EOF
4453if compile_prog "" "" ; then
4454    getauxval=yes
4455fi
4456
4457########################################
4458# check if ccache is interfering with
4459# semantic analysis of macros
4460
4461unset CCACHE_CPP2
4462ccache_cpp2=no
4463cat > $TMPC << EOF
4464static const int Z = 1;
4465#define fn() ({ Z; })
4466#define TAUT(X) ((X) == Z)
4467#define PAREN(X, Y) (X == Y)
4468#define ID(X) (X)
4469int main(int argc, char *argv[])
4470{
4471    int x = 0, y = 0;
4472    x = ID(x);
4473    x = fn();
4474    fn();
4475    if (PAREN(x, y)) return 0;
4476    if (TAUT(Z)) return 0;
4477    return 0;
4478}
4479EOF
4480
4481if ! compile_object "-Werror"; then
4482    ccache_cpp2=yes
4483fi
4484
4485#################################################
4486# clang does not support glibc + FORTIFY_SOURCE.
4487
4488if test "$fortify_source" != "no"; then
4489  if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
4490    fortify_source="no";
4491  elif test -n "$cxx" &&
4492       echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
4493    fortify_source="no";
4494  else
4495    fortify_source="yes"
4496  fi
4497fi
4498
4499##########################################
4500# check if struct fsxattr is available via linux/fs.h
4501
4502have_fsxattr=no
4503cat > $TMPC << EOF
4504#include <linux/fs.h>
4505struct fsxattr foo;
4506int main(void) {
4507  return 0;
4508}
4509EOF
4510if compile_prog "" "" ; then
4511    have_fsxattr=yes
4512fi
4513
4514##########################################
4515# check if rtnetlink.h exists and is useful
4516have_rtnetlink=no
4517cat > $TMPC << EOF
4518#include <linux/rtnetlink.h>
4519int main(void) {
4520  return IFLA_PROTO_DOWN;
4521}
4522EOF
4523if compile_prog "" "" ; then
4524    have_rtnetlink=yes
4525fi
4526
4527#################################################
4528# Sparc implicitly links with --relax, which is
4529# incompatible with -r, so --no-relax should be
4530# given. It does no harm to give it on other
4531# platforms too.
4532
4533# Note: the prototype is needed since QEMU_CFLAGS
4534#       contains -Wmissing-prototypes
4535cat > $TMPC << EOF
4536extern int foo(void);
4537int foo(void) { return 0; }
4538EOF
4539if ! compile_object ""; then
4540  error_exit "Failed to compile object file for LD_REL_FLAGS test"
4541fi
4542if do_cc -nostdlib -Wl,-r -Wl,--no-relax -o $TMPMO $TMPO; then
4543  LD_REL_FLAGS="-Wl,--no-relax"
4544fi
4545
4546##########################################
4547# End of CC checks
4548# After here, no more $cc or $ld runs
4549
4550if test "$gcov" = "yes" ; then
4551  CFLAGS="-fprofile-arcs -ftest-coverage -g $CFLAGS"
4552  LDFLAGS="-fprofile-arcs -ftest-coverage $LDFLAGS"
4553elif test "$fortify_source" = "yes" ; then
4554  CFLAGS="-O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $CFLAGS"
4555elif test "$debug" = "no"; then
4556  CFLAGS="-O2 $CFLAGS"
4557fi
4558
4559##########################################
4560# Do we have libnfs
4561if test "$libnfs" != "no" ; then
4562  if $pkg_config --atleast-version=1.9.3 libnfs; then
4563    libnfs="yes"
4564    libnfs_libs=$($pkg_config --libs libnfs)
4565    LIBS="$LIBS $libnfs_libs"
4566  else
4567    if test "$libnfs" = "yes" ; then
4568      feature_not_found "libnfs" "Install libnfs devel >= 1.9.3"
4569    fi
4570    libnfs="no"
4571  fi
4572fi
4573
4574# Now we've finished running tests it's OK to add -Werror to the compiler flags
4575if test "$werror" = "yes"; then
4576    QEMU_CFLAGS="-Werror $QEMU_CFLAGS"
4577fi
4578
4579if test "$solaris" = "no" ; then
4580    if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
4581        LDFLAGS="-Wl,--warn-common $LDFLAGS"
4582    fi
4583fi
4584
4585# test if pod2man has --utf8 option
4586if pod2man --help | grep -q utf8; then
4587    POD2MAN="pod2man --utf8"
4588else
4589    POD2MAN="pod2man"
4590fi
4591
4592# Use ASLR, no-SEH and DEP if available
4593if test "$mingw32" = "yes" ; then
4594    for flag in --dynamicbase --no-seh --nxcompat; do
4595        if $ld --help 2>/dev/null | grep ".$flag" >/dev/null 2>/dev/null ; then
4596            LDFLAGS="-Wl,$flag $LDFLAGS"
4597        fi
4598    done
4599fi
4600
4601qemu_confdir=$sysconfdir$confsuffix
4602qemu_moddir=$libdir$confsuffix
4603qemu_datadir=$datadir$confsuffix
4604qemu_localedir="$datadir/locale"
4605
4606tools=""
4607if test "$want_tools" = "yes" ; then
4608  tools="qemu-img\$(EXESUF) qemu-io\$(EXESUF) $tools"
4609  if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" ] ; then
4610    tools="qemu-nbd\$(EXESUF) $tools"
4611    tools="ivshmem-client\$(EXESUF) ivshmem-server\$(EXESUF) $tools"
4612  fi
4613fi
4614if test "$softmmu" = yes ; then
4615  if test "$virtfs" != no ; then
4616    if test "$cap" = yes && test "$linux" = yes && test "$attr" = yes ; then
4617      virtfs=yes
4618      tools="$tools fsdev/virtfs-proxy-helper\$(EXESUF)"
4619    else
4620      if test "$virtfs" = yes; then
4621        error_exit "VirtFS is supported only on Linux and requires libcap devel and libattr devel"
4622      fi
4623      virtfs=no
4624    fi
4625  fi
4626fi
4627
4628# Probe for guest agent support/options
4629
4630if [ "$guest_agent" != "no" ]; then
4631  if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then
4632      tools="qemu-ga $tools"
4633      guest_agent=yes
4634  elif [ "$guest_agent" != yes ]; then
4635      guest_agent=no
4636  else
4637      error_exit "Guest agent is not supported on this platform"
4638  fi
4639fi
4640
4641# Guest agent Window MSI  package
4642
4643if test "$guest_agent" != yes; then
4644  if test "$guest_agent_msi" = yes; then
4645    error_exit "MSI guest agent package requires guest agent enabled"
4646  fi
4647  guest_agent_msi=no
4648elif test "$mingw32" != "yes"; then
4649  if test "$guest_agent_msi" = "yes"; then
4650    error_exit "MSI guest agent package is available only for MinGW Windows cross-compilation"
4651  fi
4652  guest_agent_msi=no
4653elif ! has wixl; then
4654  if test "$guest_agent_msi" = "yes"; then
4655    error_exit "MSI guest agent package requires wixl tool installed ( usually from msitools package )"
4656  fi
4657  guest_agent_msi=no
4658else
4659  # we support qemu-ga, mingw32, and wixl: default to MSI enabled if it wasn't
4660  # disabled explicitly
4661  if test "$guest_agent_msi" != "no"; then
4662    guest_agent_msi=yes
4663  fi
4664fi
4665
4666if test "$guest_agent_msi" = "yes"; then
4667  if test "$guest_agent_with_vss" = "yes"; then
4668    QEMU_GA_MSI_WITH_VSS="-D InstallVss"
4669  fi
4670
4671  if test "$QEMU_GA_MANUFACTURER" = ""; then
4672    QEMU_GA_MANUFACTURER=QEMU
4673  fi
4674
4675  if test "$QEMU_GA_DISTRO" = ""; then
4676    QEMU_GA_DISTRO=Linux
4677  fi
4678
4679  if test "$QEMU_GA_VERSION" = ""; then
4680      QEMU_GA_VERSION=$(cat $source_path/VERSION)
4681  fi
4682
4683  QEMU_GA_MSI_MINGW_DLL_PATH="-D Mingw_dlls=$($pkg_config --variable=prefix glib-2.0)/bin"
4684
4685  case "$cpu" in
4686  x86_64)
4687    QEMU_GA_MSI_ARCH="-a x64 -D Arch=64"
4688    ;;
4689  i386)
4690    QEMU_GA_MSI_ARCH="-D Arch=32"
4691    ;;
4692  *)
4693    error_exit "CPU $cpu not supported for building installation package"
4694    ;;
4695  esac
4696fi
4697
4698# Mac OS X ships with a broken assembler
4699roms=
4700if test \( "$cpu" = "i386" -o "$cpu" = "x86_64" \) -a \
4701        "$targetos" != "Darwin" -a "$targetos" != "SunOS" -a \
4702        "$softmmu" = yes ; then
4703  roms="optionrom"
4704fi
4705if test "$cpu" = "ppc64" -a "$targetos" != "Darwin" ; then
4706  roms="$roms spapr-rtas"
4707fi
4708
4709if test "$cpu" = "s390x" ; then
4710  roms="$roms s390-ccw"
4711fi
4712
4713# Probe for the need for relocating the user-only binary.
4714if ( [ "$linux_user" = yes ] || [ "$bsd_user" = yes ] ) && [ "$pie" = no ]; then
4715  textseg_addr=
4716  case "$cpu" in
4717    arm | i386 | ppc* | s390* | sparc* | x86_64 | x32)
4718      # ??? Rationale for choosing this address
4719      textseg_addr=0x60000000
4720      ;;
4721    mips)
4722      # A 256M aligned address, high in the address space, with enough
4723      # room for the code_gen_buffer above it before the stack.
4724      textseg_addr=0x60000000
4725      ;;
4726  esac
4727  if [ -n "$textseg_addr" ]; then
4728    cat > $TMPC <<EOF
4729    int main(void) { return 0; }
4730EOF
4731    textseg_ldflags="-Wl,-Ttext-segment=$textseg_addr"
4732    if ! compile_prog "" "$textseg_ldflags"; then
4733      # In case ld does not support -Ttext-segment, edit the default linker
4734      # script via sed to set the .text start addr.  This is needed on FreeBSD
4735      # at least.
4736      if ! $ld --verbose >/dev/null 2>&1; then
4737        error_exit \
4738            "We need to link the QEMU user mode binaries at a" \
4739            "specific text address. Unfortunately your linker" \
4740            "doesn't support either the -Ttext-segment option or" \
4741            "printing the default linker script with --verbose." \
4742            "If you don't want the user mode binaries, pass the" \
4743            "--disable-user option to configure."
4744      fi
4745
4746      $ld --verbose | sed \
4747        -e '1,/==================================================/d' \
4748        -e '/==================================================/,$d' \
4749        -e "s/[.] = [0-9a-fx]* [+] SIZEOF_HEADERS/. = $textseg_addr + SIZEOF_HEADERS/" \
4750        -e "s/__executable_start = [0-9a-fx]*/__executable_start = $textseg_addr/" > config-host.ld
4751      textseg_ldflags="-Wl,-T../config-host.ld"
4752    fi
4753  fi
4754fi
4755
4756echo_version() {
4757    if test "$1" = "yes" ; then
4758        echo "($2)"
4759    fi
4760}
4761
4762# prepend pixman and ftd flags after all config tests are done
4763QEMU_CFLAGS="$pixman_cflags $fdt_cflags $QEMU_CFLAGS"
4764libs_softmmu="$pixman_libs $libs_softmmu"
4765
4766echo "Install prefix    $prefix"
4767echo "BIOS directory    $(eval echo $qemu_datadir)"
4768echo "binary directory  $(eval echo $bindir)"
4769echo "library directory $(eval echo $libdir)"
4770echo "module directory  $(eval echo $qemu_moddir)"
4771echo "libexec directory $(eval echo $libexecdir)"
4772echo "include directory $(eval echo $includedir)"
4773echo "config directory  $(eval echo $sysconfdir)"
4774if test "$mingw32" = "no" ; then
4775echo "local state directory   $(eval echo $local_statedir)"
4776echo "Manual directory  $(eval echo $mandir)"
4777echo "ELF interp prefix $interp_prefix"
4778else
4779echo "local state directory   queried at runtime"
4780echo "Windows SDK       $win_sdk"
4781fi
4782echo "Source path       $source_path"
4783echo "C compiler        $cc"
4784echo "Host C compiler   $host_cc"
4785echo "C++ compiler      $cxx"
4786echo "Objective-C compiler $objcc"
4787echo "ARFLAGS           $ARFLAGS"
4788echo "CFLAGS            $CFLAGS"
4789echo "QEMU_CFLAGS       $QEMU_CFLAGS"
4790echo "LDFLAGS           $LDFLAGS"
4791echo "make              $make"
4792echo "install           $install"
4793echo "python            $python"
4794if test "$slirp" = "yes" ; then
4795    echo "smbd              $smbd"
4796fi
4797echo "module support    $modules"
4798echo "host CPU          $cpu"
4799echo "host big endian   $bigendian"
4800echo "target list       $target_list"
4801echo "tcg debug enabled $debug_tcg"
4802echo "gprof enabled     $gprof"
4803echo "sparse enabled    $sparse"
4804echo "strip binaries    $strip_opt"
4805echo "profiler          $profiler"
4806echo "static build      $static"
4807if test "$darwin" = "yes" ; then
4808    echo "Cocoa support     $cocoa"
4809fi
4810echo "pixman            $pixman"
4811echo "SDL support       $sdl $(echo_version $sdl $sdlversion)"
4812echo "GTK support       $gtk $(echo_version $gtk $gtk_version)"
4813echo "GTK GL support    $gtk_gl"
4814echo "VTE support       $vte $(echo_version $vte $vteversion)"
4815echo "GNUTLS support    $gnutls"
4816echo "GNUTLS hash       $gnutls_hash"
4817echo "GNUTLS rnd        $gnutls_rnd"
4818echo "libgcrypt         $gcrypt"
4819echo "libgcrypt kdf     $gcrypt_kdf"
4820echo "nettle            $nettle $(echo_version $nettle $nettle_version)"
4821echo "nettle kdf        $nettle_kdf"
4822echo "libtasn1          $tasn1"
4823echo "curses support    $curses"
4824echo "virgl support     $virglrenderer"
4825echo "curl support      $curl"
4826echo "mingw32 support   $mingw32"
4827echo "Audio drivers     $audio_drv_list"
4828echo "Block whitelist (rw) $block_drv_rw_whitelist"
4829echo "Block whitelist (ro) $block_drv_ro_whitelist"
4830echo "VirtFS support    $virtfs"
4831echo "VNC support       $vnc"
4832if test "$vnc" = "yes" ; then
4833    echo "VNC SASL support  $vnc_sasl"
4834    echo "VNC JPEG support  $vnc_jpeg"
4835    echo "VNC PNG support   $vnc_png"
4836fi
4837if test -n "$sparc_cpu"; then
4838    echo "Target Sparc Arch $sparc_cpu"
4839fi
4840echo "xen support       $xen"
4841if test "$xen" = "yes" ; then
4842  echo "xen ctrl version  $xen_ctrl_version"
4843  echo "pv dom build      $xen_pv_domain_build"
4844fi
4845echo "brlapi support    $brlapi"
4846echo "bluez  support    $bluez"
4847echo "Documentation     $docs"
4848echo "PIE               $pie"
4849echo "vde support       $vde"
4850echo "netmap support    $netmap"
4851echo "Linux AIO support $linux_aio"
4852echo "ATTR/XATTR support $attr"
4853echo "Install blobs     $blobs"
4854echo "KVM support       $kvm"
4855echo "RDMA support      $rdma"
4856echo "TCG interpreter   $tcg_interpreter"
4857echo "fdt support       $fdt"
4858echo "preadv support    $preadv"
4859echo "fdatasync         $fdatasync"
4860echo "madvise           $madvise"
4861echo "posix_madvise     $posix_madvise"
4862echo "uuid support      $uuid"
4863echo "libcap-ng support $cap_ng"
4864echo "vhost-net support $vhost_net"
4865echo "vhost-scsi support $vhost_scsi"
4866echo "Trace backends    $trace_backends"
4867if have_backend "simple"; then
4868echo "Trace output file $trace_file-<pid>"
4869fi
4870echo "spice support     $spice $(echo_version $spice $spice_protocol_version/$spice_server_version)"
4871echo "rbd support       $rbd"
4872echo "xfsctl support    $xfs"
4873echo "smartcard support $smartcard"
4874echo "libusb            $libusb"
4875echo "usb net redir     $usb_redir"
4876echo "OpenGL support    $opengl"
4877echo "OpenGL dmabufs    $opengl_dmabuf"
4878echo "libiscsi support  $libiscsi"
4879echo "libnfs support    $libnfs"
4880echo "build guest agent $guest_agent"
4881echo "QGA VSS support   $guest_agent_with_vss"
4882echo "QGA w32 disk info $guest_agent_ntddscsi"
4883echo "QGA MSI support   $guest_agent_msi"
4884echo "seccomp support   $seccomp"
4885echo "coroutine backend $coroutine"
4886echo "coroutine pool    $coroutine_pool"
4887echo "GlusterFS support $glusterfs"
4888echo "Archipelago support $archipelago"
4889echo "gcov              $gcov_tool"
4890echo "gcov enabled      $gcov"
4891echo "TPM support       $tpm"
4892echo "libssh2 support   $libssh2"
4893echo "TPM passthrough   $tpm_passthrough"
4894echo "QOM debugging     $qom_cast_debug"
4895echo "vhdx              $vhdx"
4896echo "lzo support       $lzo"
4897echo "snappy support    $snappy"
4898echo "bzip2 support     $bzip2"
4899echo "NUMA host support $numa"
4900echo "tcmalloc support  $tcmalloc"
4901echo "jemalloc support  $jemalloc"
4902echo "avx2 optimization $avx2_opt"
4903
4904if test "$sdl_too_old" = "yes"; then
4905echo "-> Your SDL version is too old - please upgrade to have SDL support"
4906fi
4907
4908config_host_mak="config-host.mak"
4909
4910echo "# Automatically generated by configure - do not modify" >config-all-disas.mak
4911
4912echo "# Automatically generated by configure - do not modify" > $config_host_mak
4913echo >> $config_host_mak
4914
4915echo all: >> $config_host_mak
4916echo "prefix=$prefix" >> $config_host_mak
4917echo "bindir=$bindir" >> $config_host_mak
4918echo "libdir=$libdir" >> $config_host_mak
4919echo "libexecdir=$libexecdir" >> $config_host_mak
4920echo "includedir=$includedir" >> $config_host_mak
4921echo "mandir=$mandir" >> $config_host_mak
4922echo "sysconfdir=$sysconfdir" >> $config_host_mak
4923echo "qemu_confdir=$qemu_confdir" >> $config_host_mak
4924echo "qemu_datadir=$qemu_datadir" >> $config_host_mak
4925echo "qemu_docdir=$qemu_docdir" >> $config_host_mak
4926echo "qemu_moddir=$qemu_moddir" >> $config_host_mak
4927if test "$mingw32" = "no" ; then
4928  echo "qemu_localstatedir=$local_statedir" >> $config_host_mak
4929fi
4930echo "qemu_helperdir=$libexecdir" >> $config_host_mak
4931echo "extra_cflags=$EXTRA_CFLAGS" >> $config_host_mak
4932echo "extra_ldflags=$EXTRA_LDFLAGS" >> $config_host_mak
4933echo "qemu_localedir=$qemu_localedir" >> $config_host_mak
4934echo "libs_softmmu=$libs_softmmu" >> $config_host_mak
4935
4936echo "ARCH=$ARCH" >> $config_host_mak
4937
4938if test "$debug_tcg" = "yes" ; then
4939  echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
4940fi
4941if test "$strip_opt" = "yes" ; then
4942  echo "STRIP=${strip}" >> $config_host_mak
4943fi
4944if test "$bigendian" = "yes" ; then
4945  echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
4946fi
4947if test "$mingw32" = "yes" ; then
4948  echo "CONFIG_WIN32=y" >> $config_host_mak
4949  rc_version=$(cat $source_path/VERSION)
4950  version_major=${rc_version%%.*}
4951  rc_version=${rc_version#*.}
4952  version_minor=${rc_version%%.*}
4953  rc_version=${rc_version#*.}
4954  version_subminor=${rc_version%%.*}
4955  version_micro=0
4956  echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
4957  echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
4958  if test "$guest_agent_with_vss" = "yes" ; then
4959    echo "CONFIG_QGA_VSS=y" >> $config_host_mak
4960    echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak
4961    echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak
4962  fi
4963  if test "$guest_agent_ntddscsi" = "yes" ; then
4964    echo "CONFIG_QGA_NTDDDISK=y" >> $config_host_mak
4965  fi
4966  if test "$guest_agent_msi" = "yes"; then
4967    echo "QEMU_GA_MSI_ENABLED=yes" >> $config_host_mak
4968    echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak
4969    echo "QEMU_GA_MSI_WITH_VSS=${QEMU_GA_MSI_WITH_VSS}" >> $config_host_mak
4970    echo "QEMU_GA_MSI_ARCH=${QEMU_GA_MSI_ARCH}" >> $config_host_mak
4971    echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
4972    echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
4973    echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
4974  fi
4975else
4976  echo "CONFIG_POSIX=y" >> $config_host_mak
4977fi
4978
4979if test "$linux" = "yes" ; then
4980  echo "CONFIG_LINUX=y" >> $config_host_mak
4981fi
4982
4983if test "$darwin" = "yes" ; then
4984  echo "CONFIG_DARWIN=y" >> $config_host_mak
4985fi
4986
4987if test "$aix" = "yes" ; then
4988  echo "CONFIG_AIX=y" >> $config_host_mak
4989fi
4990
4991if test "$solaris" = "yes" ; then
4992  echo "CONFIG_SOLARIS=y" >> $config_host_mak
4993  echo "CONFIG_SOLARIS_VERSION=$solarisrev" >> $config_host_mak
4994  if test "$needs_libsunmath" = "yes" ; then
4995    echo "CONFIG_NEEDS_LIBSUNMATH=y" >> $config_host_mak
4996  fi
4997fi
4998if test "$haiku" = "yes" ; then
4999  echo "CONFIG_HAIKU=y" >> $config_host_mak
5000fi
5001if test "$static" = "yes" ; then
5002  echo "CONFIG_STATIC=y" >> $config_host_mak
5003fi
5004if test "$profiler" = "yes" ; then
5005  echo "CONFIG_PROFILER=y" >> $config_host_mak
5006fi
5007if test "$slirp" = "yes" ; then
5008  echo "CONFIG_SLIRP=y" >> $config_host_mak
5009  echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
5010fi
5011if test "$vde" = "yes" ; then
5012  echo "CONFIG_VDE=y" >> $config_host_mak
5013fi
5014if test "$netmap" = "yes" ; then
5015  echo "CONFIG_NETMAP=y" >> $config_host_mak
5016fi
5017if test "$l2tpv3" = "yes" ; then
5018  echo "CONFIG_L2TPV3=y" >> $config_host_mak
5019fi
5020if test "$cap_ng" = "yes" ; then
5021  echo "CONFIG_LIBCAP=y" >> $config_host_mak
5022fi
5023echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
5024for drv in $audio_drv_list; do
5025    def=CONFIG_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
5026    echo "$def=y" >> $config_host_mak
5027done
5028if test "$audio_pt_int" = "yes" ; then
5029  echo "CONFIG_AUDIO_PT_INT=y" >> $config_host_mak
5030fi
5031if test "$audio_win_int" = "yes" ; then
5032  echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak
5033fi
5034echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak
5035echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak
5036if test "$vnc" = "yes" ; then
5037  echo "CONFIG_VNC=y" >> $config_host_mak
5038fi
5039if test "$vnc_sasl" = "yes" ; then
5040  echo "CONFIG_VNC_SASL=y" >> $config_host_mak
5041fi
5042if test "$vnc_jpeg" = "yes" ; then
5043  echo "CONFIG_VNC_JPEG=y" >> $config_host_mak
5044fi
5045if test "$vnc_png" = "yes" ; then
5046  echo "CONFIG_VNC_PNG=y" >> $config_host_mak
5047fi
5048if test "$fnmatch" = "yes" ; then
5049  echo "CONFIG_FNMATCH=y" >> $config_host_mak
5050fi
5051if test "$uuid" = "yes" ; then
5052  echo "CONFIG_UUID=y" >> $config_host_mak
5053fi
5054if test "$xfs" = "yes" ; then
5055  echo "CONFIG_XFS=y" >> $config_host_mak
5056fi
5057qemu_version=$(head $source_path/VERSION)
5058echo "VERSION=$qemu_version" >>$config_host_mak
5059echo "PKGVERSION=$pkgversion" >>$config_host_mak
5060echo "SRC_PATH=$source_path" >> $config_host_mak
5061echo "TARGET_DIRS=$target_list" >> $config_host_mak
5062if [ "$docs" = "yes" ] ; then
5063  echo "BUILD_DOCS=yes" >> $config_host_mak
5064fi
5065if test "$modules" = "yes"; then
5066  # $shacmd can generate a hash started with digit, which the compiler doesn't
5067  # like as an symbol. So prefix it with an underscore
5068  echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak
5069  echo "CONFIG_MODULES=y" >> $config_host_mak
5070fi
5071if test "$sdl" = "yes" ; then
5072  echo "CONFIG_SDL=y" >> $config_host_mak
5073  echo "CONFIG_SDLABI=$sdlabi" >> $config_host_mak
5074  echo "SDL_CFLAGS=$sdl_cflags" >> $config_host_mak
5075fi
5076if test "$cocoa" = "yes" ; then
5077  echo "CONFIG_COCOA=y" >> $config_host_mak
5078fi
5079if test "$curses" = "yes" ; then
5080  echo "CONFIG_CURSES=y" >> $config_host_mak
5081fi
5082if test "$utimens" = "yes" ; then
5083  echo "CONFIG_UTIMENSAT=y" >> $config_host_mak
5084fi
5085if test "$pipe2" = "yes" ; then
5086  echo "CONFIG_PIPE2=y" >> $config_host_mak
5087fi
5088if test "$accept4" = "yes" ; then
5089  echo "CONFIG_ACCEPT4=y" >> $config_host_mak
5090fi
5091if test "$splice" = "yes" ; then
5092  echo "CONFIG_SPLICE=y" >> $config_host_mak
5093fi
5094if test "$eventfd" = "yes" ; then
5095  echo "CONFIG_EVENTFD=y" >> $config_host_mak
5096fi
5097if test "$memfd" = "yes" ; then
5098  echo "CONFIG_MEMFD=y" >> $config_host_mak
5099fi
5100if test "$fallocate" = "yes" ; then
5101  echo "CONFIG_FALLOCATE=y" >> $config_host_mak
5102fi
5103if test "$fallocate_punch_hole" = "yes" ; then
5104  echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak
5105fi
5106if test "$fallocate_zero_range" = "yes" ; then
5107  echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak
5108fi
5109if test "$posix_fallocate" = "yes" ; then
5110  echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
5111fi
5112if test "$sync_file_range" = "yes" ; then
5113  echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
5114fi
5115if test "$fiemap" = "yes" ; then
5116  echo "CONFIG_FIEMAP=y" >> $config_host_mak
5117fi
5118if test "$dup3" = "yes" ; then
5119  echo "CONFIG_DUP3=y" >> $config_host_mak
5120fi
5121if test "$ppoll" = "yes" ; then
5122  echo "CONFIG_PPOLL=y" >> $config_host_mak
5123fi
5124if test "$prctl_pr_set_timerslack" = "yes" ; then
5125  echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak
5126fi
5127if test "$epoll" = "yes" ; then
5128  echo "CONFIG_EPOLL=y" >> $config_host_mak
5129fi
5130if test "$epoll_create1" = "yes" ; then
5131  echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak
5132fi
5133if test "$sendfile" = "yes" ; then
5134  echo "CONFIG_SENDFILE=y" >> $config_host_mak
5135fi
5136if test "$timerfd" = "yes" ; then
5137  echo "CONFIG_TIMERFD=y" >> $config_host_mak
5138fi
5139if test "$setns" = "yes" ; then
5140  echo "CONFIG_SETNS=y" >> $config_host_mak
5141fi
5142if test "$inotify" = "yes" ; then
5143  echo "CONFIG_INOTIFY=y" >> $config_host_mak
5144fi
5145if test "$inotify1" = "yes" ; then
5146  echo "CONFIG_INOTIFY1=y" >> $config_host_mak
5147fi
5148if test "$byteswap_h" = "yes" ; then
5149  echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
5150fi
5151if test "$bswap_h" = "yes" ; then
5152  echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
5153fi
5154if test "$curl" = "yes" ; then
5155  echo "CONFIG_CURL=m" >> $config_host_mak
5156  echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
5157  echo "CURL_LIBS=$curl_libs" >> $config_host_mak
5158fi
5159if test "$brlapi" = "yes" ; then
5160  echo "CONFIG_BRLAPI=y" >> $config_host_mak
5161fi
5162if test "$bluez" = "yes" ; then
5163  echo "CONFIG_BLUEZ=y" >> $config_host_mak
5164  echo "BLUEZ_CFLAGS=$bluez_cflags" >> $config_host_mak
5165fi
5166if test "$glib_subprocess" = "yes" ; then
5167  echo "CONFIG_HAS_GLIB_SUBPROCESS_TESTS=y" >> $config_host_mak
5168fi
5169echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak
5170if test "$gtk" = "yes" ; then
5171  echo "CONFIG_GTK=y" >> $config_host_mak
5172  echo "CONFIG_GTKABI=$gtkabi" >> $config_host_mak
5173  echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
5174  echo "GTK_LIBS=$gtk_libs" >> $config_host_mak
5175  if test "$gtk_gl" = "yes" ; then
5176    echo "CONFIG_GTK_GL=y" >> $config_host_mak
5177  fi
5178fi
5179if test "$gnutls" = "yes" ; then
5180  echo "CONFIG_GNUTLS=y" >> $config_host_mak
5181fi
5182if test "$gnutls_hash" = "yes" ; then
5183  echo "CONFIG_GNUTLS_HASH=y" >> $config_host_mak
5184fi
5185if test "$gnutls_rnd" = "yes" ; then
5186  echo "CONFIG_GNUTLS_RND=y" >> $config_host_mak
5187fi
5188if test "$gcrypt" = "yes" ; then
5189  echo "CONFIG_GCRYPT=y" >> $config_host_mak
5190  if test "$gcrypt_kdf" = "yes" ; then
5191    echo "CONFIG_GCRYPT_KDF=y" >> $config_host_mak
5192  fi
5193fi
5194if test "$nettle" = "yes" ; then
5195  echo "CONFIG_NETTLE=y" >> $config_host_mak
5196  echo "CONFIG_NETTLE_VERSION_MAJOR=${nettle_version%%.*}" >> $config_host_mak
5197  if test "$nettle_kdf" = "yes" ; then
5198    echo "CONFIG_NETTLE_KDF=y" >> $config_host_mak
5199  fi
5200fi
5201if test "$tasn1" = "yes" ; then
5202  echo "CONFIG_TASN1=y" >> $config_host_mak
5203fi
5204if test "$have_ifaddrs_h" = "yes" ; then
5205    echo "HAVE_IFADDRS_H=y" >> $config_host_mak
5206fi
5207
5208# Work around a system header bug with some kernel/XFS header
5209# versions where they both try to define 'struct fsxattr':
5210# xfs headers will not try to redefine structs from linux headers
5211# if this macro is set.
5212if test "$have_fsxattr" = "yes" ; then
5213    echo "HAVE_FSXATTR=y" >> $config_host_mak
5214fi
5215if test "$vte" = "yes" ; then
5216  echo "CONFIG_VTE=y" >> $config_host_mak
5217  echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
5218fi
5219if test "$virglrenderer" = "yes" ; then
5220  echo "CONFIG_VIRGL=y" >> $config_host_mak
5221  echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak
5222  echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak
5223fi
5224if test "$xen" = "yes" ; then
5225  echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
5226  echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
5227  if test "$xen_pv_domain_build" = "yes" ; then
5228    echo "CONFIG_XEN_PV_DOMAIN_BUILD=y" >> $config_host_mak
5229  fi
5230fi
5231if test "$linux_aio" = "yes" ; then
5232  echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
5233fi
5234if test "$attr" = "yes" ; then
5235  echo "CONFIG_ATTR=y" >> $config_host_mak
5236fi
5237if test "$libattr" = "yes" ; then
5238  echo "CONFIG_LIBATTR=y" >> $config_host_mak
5239fi
5240if test "$virtfs" = "yes" ; then
5241  echo "CONFIG_VIRTFS=y" >> $config_host_mak
5242fi
5243if test "$vhost_scsi" = "yes" ; then
5244  echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
5245fi
5246if test "$vhost_net" = "yes" ; then
5247  echo "CONFIG_VHOST_NET_USED=y" >> $config_host_mak
5248fi
5249if test "$blobs" = "yes" ; then
5250  echo "INSTALL_BLOBS=yes" >> $config_host_mak
5251fi
5252if test "$iovec" = "yes" ; then
5253  echo "CONFIG_IOVEC=y" >> $config_host_mak
5254fi
5255if test "$preadv" = "yes" ; then
5256  echo "CONFIG_PREADV=y" >> $config_host_mak
5257fi
5258if test "$fdt" = "yes" ; then
5259  echo "CONFIG_FDT=y" >> $config_host_mak
5260fi
5261if test "$signalfd" = "yes" ; then
5262  echo "CONFIG_SIGNALFD=y" >> $config_host_mak
5263fi
5264if test "$tcg_interpreter" = "yes" ; then
5265  echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
5266fi
5267if test "$fdatasync" = "yes" ; then
5268  echo "CONFIG_FDATASYNC=y" >> $config_host_mak
5269fi
5270if test "$madvise" = "yes" ; then
5271  echo "CONFIG_MADVISE=y" >> $config_host_mak
5272fi
5273if test "$posix_madvise" = "yes" ; then
5274  echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
5275fi
5276
5277if test "$spice" = "yes" ; then
5278  echo "CONFIG_SPICE=y" >> $config_host_mak
5279fi
5280
5281if test "$smartcard" = "yes" ; then
5282  echo "CONFIG_SMARTCARD=y" >> $config_host_mak
5283fi
5284
5285if test "$libusb" = "yes" ; then
5286  echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
5287fi
5288
5289if test "$usb_redir" = "yes" ; then
5290  echo "CONFIG_USB_REDIR=y" >> $config_host_mak
5291fi
5292
5293if test "$opengl" = "yes" ; then
5294  echo "CONFIG_OPENGL=y" >> $config_host_mak
5295  echo "OPENGL_CFLAGS=$opengl_cflags" >> $config_host_mak
5296  echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
5297  if test "$opengl_dmabuf" = "yes" ; then
5298    echo "CONFIG_OPENGL_DMABUF=y" >> $config_host_mak
5299  fi
5300fi
5301
5302if test "$avx2_opt" = "yes" ; then
5303  echo "CONFIG_AVX2_OPT=y" >> $config_host_mak
5304fi
5305
5306if test "$lzo" = "yes" ; then
5307  echo "CONFIG_LZO=y" >> $config_host_mak
5308fi
5309
5310if test "$snappy" = "yes" ; then
5311  echo "CONFIG_SNAPPY=y" >> $config_host_mak
5312fi
5313
5314if test "$bzip2" = "yes" ; then
5315  echo "CONFIG_BZIP2=y" >> $config_host_mak
5316  echo "BZIP2_LIBS=-lbz2" >> $config_host_mak
5317fi
5318
5319if test "$libiscsi" = "yes" ; then
5320  echo "CONFIG_LIBISCSI=m" >> $config_host_mak
5321  echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
5322  echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
5323fi
5324
5325if test "$libnfs" = "yes" ; then
5326  echo "CONFIG_LIBNFS=y" >> $config_host_mak
5327fi
5328
5329if test "$seccomp" = "yes"; then
5330  echo "CONFIG_SECCOMP=y" >> $config_host_mak
5331fi
5332
5333# XXX: suppress that
5334if [ "$bsd" = "yes" ] ; then
5335  echo "CONFIG_BSD=y" >> $config_host_mak
5336fi
5337
5338if test "$localtime_r" = "yes" ; then
5339  echo "CONFIG_LOCALTIME_R=y" >> $config_host_mak
5340fi
5341if test "$qom_cast_debug" = "yes" ; then
5342  echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
5343fi
5344if test "$rbd" = "yes" ; then
5345  echo "CONFIG_RBD=m" >> $config_host_mak
5346  echo "RBD_CFLAGS=$rbd_cflags" >> $config_host_mak
5347  echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
5348fi
5349
5350echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
5351if test "$coroutine_pool" = "yes" ; then
5352  echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak
5353else
5354  echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak
5355fi
5356
5357if test "$open_by_handle_at" = "yes" ; then
5358  echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
5359fi
5360
5361if test "$linux_magic_h" = "yes" ; then
5362  echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
5363fi
5364
5365if test "$pragma_diagnostic_available" = "yes" ; then
5366  echo "CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE=y" >> $config_host_mak
5367fi
5368
5369if test "$valgrind_h" = "yes" ; then
5370  echo "CONFIG_VALGRIND_H=y" >> $config_host_mak
5371fi
5372
5373if test "$has_environ" = "yes" ; then
5374  echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
5375fi
5376
5377if test "$cpuid_h" = "yes" ; then
5378  echo "CONFIG_CPUID_H=y" >> $config_host_mak
5379fi
5380
5381if test "$int128" = "yes" ; then
5382  echo "CONFIG_INT128=y" >> $config_host_mak
5383fi
5384
5385if test "$getauxval" = "yes" ; then
5386  echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
5387fi
5388
5389if test "$glusterfs" = "yes" ; then
5390  echo "CONFIG_GLUSTERFS=m" >> $config_host_mak
5391  echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
5392  echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
5393fi
5394
5395if test "$glusterfs_xlator_opt" = "yes" ; then
5396  echo "CONFIG_GLUSTERFS_XLATOR_OPT=y" >> $config_host_mak
5397fi
5398
5399if test "$glusterfs_discard" = "yes" ; then
5400  echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
5401fi
5402
5403if test "$glusterfs_zerofill" = "yes" ; then
5404  echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
5405fi
5406
5407if test "$archipelago" = "yes" ; then
5408  echo "CONFIG_ARCHIPELAGO=m" >> $config_host_mak
5409  echo "ARCHIPELAGO_LIBS=$archipelago_libs" >> $config_host_mak
5410fi
5411
5412if test "$libssh2" = "yes" ; then
5413  echo "CONFIG_LIBSSH2=m" >> $config_host_mak
5414  echo "LIBSSH2_CFLAGS=$libssh2_cflags" >> $config_host_mak
5415  echo "LIBSSH2_LIBS=$libssh2_libs" >> $config_host_mak
5416fi
5417
5418if test "$vhdx" = "yes" ; then
5419  echo "CONFIG_VHDX=y" >> $config_host_mak
5420fi
5421
5422# USB host support
5423if test "$libusb" = "yes"; then
5424  echo "HOST_USB=libusb legacy" >> $config_host_mak
5425else
5426  echo "HOST_USB=stub" >> $config_host_mak
5427fi
5428
5429# TPM passthrough support?
5430if test "$tpm" = "yes"; then
5431  echo 'CONFIG_TPM=$(CONFIG_SOFTMMU)' >> $config_host_mak
5432  if test "$tpm_passthrough" = "yes"; then
5433    echo "CONFIG_TPM_PASSTHROUGH=y" >> $config_host_mak
5434  fi
5435fi
5436
5437echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
5438if have_backend "nop"; then
5439  echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
5440fi
5441if have_backend "simple"; then
5442  echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
5443  # Set the appropriate trace file.
5444  trace_file="\"$trace_file-\" FMT_pid"
5445fi
5446if have_backend "log"; then
5447  echo "CONFIG_TRACE_LOG=y" >> $config_host_mak
5448fi
5449if have_backend "ust"; then
5450  echo "CONFIG_TRACE_UST=y" >> $config_host_mak
5451fi
5452if have_backend "dtrace"; then
5453  echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
5454  if test "$trace_backend_stap" = "yes" ; then
5455    echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
5456  fi
5457fi
5458if have_backend "ftrace"; then
5459  if test "$linux" = "yes" ; then
5460    echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak
5461  else
5462    feature_not_found "ftrace(trace backend)" "ftrace requires Linux"
5463  fi
5464fi
5465echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
5466
5467if test "$rdma" = "yes" ; then
5468  echo "CONFIG_RDMA=y" >> $config_host_mak
5469fi
5470
5471if test "$have_rtnetlink" = "yes" ; then
5472  echo "CONFIG_RTNETLINK=y" >> $config_host_mak
5473fi
5474
5475# Hold two types of flag:
5476#   CONFIG_THREAD_SETNAME_BYTHREAD  - we've got a way of setting the name on
5477#                                     a thread we have a handle to
5478#   CONFIG_PTHREAD_SETNAME_NP       - A way of doing it on a particular
5479#                                     platform
5480if test "$pthread_setname_np" = "yes" ; then
5481  echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
5482  echo "CONFIG_PTHREAD_SETNAME_NP=y" >> $config_host_mak
5483fi
5484
5485if test "$tcg_interpreter" = "yes"; then
5486  QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/tci $QEMU_INCLUDES"
5487elif test "$ARCH" = "sparc64" ; then
5488  QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/sparc $QEMU_INCLUDES"
5489elif test "$ARCH" = "s390x" ; then
5490  QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/s390 $QEMU_INCLUDES"
5491elif test "$ARCH" = "x86_64" -o "$ARCH" = "x32" ; then
5492  QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/i386 $QEMU_INCLUDES"
5493elif test "$ARCH" = "ppc64" ; then
5494  QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/ppc $QEMU_INCLUDES"
5495else
5496  QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/\$(ARCH) $QEMU_INCLUDES"
5497fi
5498QEMU_INCLUDES="-I\$(SRC_PATH)/tcg $QEMU_INCLUDES"
5499
5500echo "TOOLS=$tools" >> $config_host_mak
5501echo "ROMS=$roms" >> $config_host_mak
5502echo "MAKE=$make" >> $config_host_mak
5503echo "INSTALL=$install" >> $config_host_mak
5504echo "INSTALL_DIR=$install -d -m 0755" >> $config_host_mak
5505echo "INSTALL_DATA=$install -c -m 0644" >> $config_host_mak
5506echo "INSTALL_PROG=$install -c -m 0755" >> $config_host_mak
5507echo "INSTALL_LIB=$install -c -m 0644" >> $config_host_mak
5508echo "PYTHON=$python" >> $config_host_mak
5509echo "CC=$cc" >> $config_host_mak
5510if $iasl -h > /dev/null 2>&1; then
5511  echo "IASL=$iasl" >> $config_host_mak
5512fi
5513echo "CC_I386=$cc_i386" >> $config_host_mak
5514echo "HOST_CC=$host_cc" >> $config_host_mak
5515echo "CXX=$cxx" >> $config_host_mak
5516echo "OBJCC=$objcc" >> $config_host_mak
5517echo "AR=$ar" >> $config_host_mak
5518echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
5519echo "AS=$as" >> $config_host_mak
5520echo "CPP=$cpp" >> $config_host_mak
5521echo "OBJCOPY=$objcopy" >> $config_host_mak
5522echo "LD=$ld" >> $config_host_mak
5523echo "NM=$nm" >> $config_host_mak
5524echo "WINDRES=$windres" >> $config_host_mak
5525echo "CFLAGS=$CFLAGS" >> $config_host_mak
5526echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
5527echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
5528echo "QEMU_INCLUDES=$QEMU_INCLUDES" >> $config_host_mak
5529if test "$sparse" = "yes" ; then
5530  echo "CC           := REAL_CC=\"\$(CC)\" cgcc"       >> $config_host_mak
5531  echo "CPP          := REAL_CC=\"\$(CPP)\" cgcc"      >> $config_host_mak
5532  echo "CXX          := REAL_CC=\"\$(CXX)\" cgcc"      >> $config_host_mak
5533  echo "HOST_CC      := REAL_CC=\"\$(HOST_CC)\" cgcc"  >> $config_host_mak
5534  echo "QEMU_CFLAGS  += -Wbitwise -Wno-transparent-union -Wno-old-initializer -Wno-non-pointer-null" >> $config_host_mak
5535fi
5536if test "$cross_prefix" != ""; then
5537  echo "AUTOCONF_HOST := --host=${cross_prefix%-}"     >> $config_host_mak
5538else
5539  echo "AUTOCONF_HOST := "                             >> $config_host_mak
5540fi
5541echo "LDFLAGS=$LDFLAGS" >> $config_host_mak
5542echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
5543echo "LD_REL_FLAGS=$LD_REL_FLAGS" >> $config_host_mak
5544echo "LIBS+=$LIBS" >> $config_host_mak
5545echo "LIBS_TOOLS+=$libs_tools" >> $config_host_mak
5546echo "EXESUF=$EXESUF" >> $config_host_mak
5547echo "DSOSUF=$DSOSUF" >> $config_host_mak
5548echo "LDFLAGS_SHARED=$LDFLAGS_SHARED" >> $config_host_mak
5549echo "LIBS_QGA+=$libs_qga" >> $config_host_mak
5550echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak
5551echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak
5552echo "POD2MAN=$POD2MAN" >> $config_host_mak
5553echo "TRANSLATE_OPT_CFLAGS=$TRANSLATE_OPT_CFLAGS" >> $config_host_mak
5554if test "$gcov" = "yes" ; then
5555  echo "CONFIG_GCOV=y" >> $config_host_mak
5556  echo "GCOV=$gcov_tool" >> $config_host_mak
5557fi
5558
5559# use included Linux headers
5560if test "$linux" = "yes" ; then
5561  mkdir -p linux-headers
5562  case "$cpu" in
5563  i386|x86_64|x32)
5564    linux_arch=x86
5565    ;;
5566  ppcemb|ppc|ppc64)
5567    linux_arch=powerpc
5568    ;;
5569  s390x)
5570    linux_arch=s390
5571    ;;
5572  aarch64)
5573    linux_arch=arm64
5574    ;;
5575  mips64)
5576    linux_arch=mips
5577    ;;
5578  *)
5579    # For most CPUs the kernel architecture name and QEMU CPU name match.
5580    linux_arch="$cpu"
5581    ;;
5582  esac
5583    # For non-KVM architectures we will not have asm headers
5584    if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
5585      symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
5586    fi
5587fi
5588
5589for target in $target_list; do
5590target_dir="$target"
5591config_target_mak=$target_dir/config-target.mak
5592target_name=$(echo $target | cut -d '-' -f 1)
5593target_bigendian="no"
5594
5595case "$target_name" in
5596  armeb|lm32|m68k|microblaze|mips|mipsn32|mips64|moxie|or32|ppc|ppcemb|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb)
5597  target_bigendian=yes
5598  ;;
5599esac
5600target_softmmu="no"
5601target_user_only="no"
5602target_linux_user="no"
5603target_bsd_user="no"
5604case "$target" in
5605  ${target_name}-softmmu)
5606    target_softmmu="yes"
5607    ;;
5608  ${target_name}-linux-user)
5609    if test "$linux" != "yes" ; then
5610      error_exit "Target '$target' is only available on a Linux host"
5611    fi
5612    target_user_only="yes"
5613    target_linux_user="yes"
5614    ;;
5615  ${target_name}-bsd-user)
5616    if test "$bsd" != "yes" ; then
5617      error_exit "Target '$target' is only available on a BSD host"
5618    fi
5619    target_user_only="yes"
5620    target_bsd_user="yes"
5621    ;;
5622  *)
5623    error_exit "Target '$target' not recognised"
5624    exit 1
5625    ;;
5626esac
5627
5628mkdir -p $target_dir
5629echo "# Automatically generated by configure - do not modify" > $config_target_mak
5630
5631bflt="no"
5632interp_prefix1=$(echo "$interp_prefix" | sed "s/%M/$target_name/g")
5633gdb_xml_files=""
5634
5635TARGET_ARCH="$target_name"
5636TARGET_BASE_ARCH=""
5637TARGET_ABI_DIR=""
5638
5639case "$target_name" in
5640  i386)
5641  ;;
5642  x86_64)
5643    TARGET_BASE_ARCH=i386
5644  ;;
5645  alpha)
5646  ;;
5647  arm|armeb)
5648    TARGET_ARCH=arm
5649    bflt="yes"
5650    gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
5651  ;;
5652  aarch64)
5653    TARGET_BASE_ARCH=arm
5654    bflt="yes"
5655    gdb_xml_files="aarch64-core.xml aarch64-fpu.xml arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
5656  ;;
5657  cris)
5658  ;;
5659  lm32)
5660  ;;
5661  m68k)
5662    bflt="yes"
5663    gdb_xml_files="cf-core.xml cf-fp.xml"
5664  ;;
5665  microblaze|microblazeel)
5666    TARGET_ARCH=microblaze
5667    bflt="yes"
5668  ;;
5669  mips|mipsel)
5670    TARGET_ARCH=mips
5671    echo "TARGET_ABI_MIPSO32=y" >> $config_target_mak
5672  ;;
5673  mipsn32|mipsn32el)
5674    TARGET_ARCH=mips64
5675    TARGET_BASE_ARCH=mips
5676    echo "TARGET_ABI_MIPSN32=y" >> $config_target_mak
5677    echo "TARGET_ABI32=y" >> $config_target_mak
5678  ;;
5679  mips64|mips64el)
5680    TARGET_ARCH=mips64
5681    TARGET_BASE_ARCH=mips
5682    echo "TARGET_ABI_MIPSN64=y" >> $config_target_mak
5683  ;;
5684  moxie)
5685  ;;
5686  or32)
5687    TARGET_ARCH=openrisc
5688    TARGET_BASE_ARCH=openrisc
5689  ;;
5690  ppc)
5691    gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
5692  ;;
5693  ppcemb)
5694    TARGET_BASE_ARCH=ppc
5695    TARGET_ABI_DIR=ppc
5696    gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
5697  ;;
5698  ppc64)
5699    TARGET_BASE_ARCH=ppc
5700    TARGET_ABI_DIR=ppc
5701    gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
5702  ;;
5703  ppc64le)
5704    TARGET_ARCH=ppc64
5705    TARGET_BASE_ARCH=ppc
5706    TARGET_ABI_DIR=ppc
5707    gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
5708  ;;
5709  ppc64abi32)
5710    TARGET_ARCH=ppc64
5711    TARGET_BASE_ARCH=ppc
5712    TARGET_ABI_DIR=ppc
5713    echo "TARGET_ABI32=y" >> $config_target_mak
5714    gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
5715  ;;
5716  sh4|sh4eb)
5717    TARGET_ARCH=sh4
5718    bflt="yes"
5719  ;;
5720  sparc)
5721  ;;
5722  sparc64)
5723    TARGET_BASE_ARCH=sparc
5724  ;;
5725  sparc32plus)
5726    TARGET_ARCH=sparc64
5727    TARGET_BASE_ARCH=sparc
5728    TARGET_ABI_DIR=sparc
5729    echo "TARGET_ABI32=y" >> $config_target_mak
5730  ;;
5731  s390x)
5732    gdb_xml_files="s390x-core64.xml s390-acr.xml s390-fpr.xml s390-vx.xml s390-cr.xml s390-virt.xml"
5733  ;;
5734  tilegx)
5735  ;;
5736  tricore)
5737  ;;
5738  unicore32)
5739  ;;
5740  xtensa|xtensaeb)
5741    TARGET_ARCH=xtensa
5742  ;;
5743  *)
5744    error_exit "Unsupported target CPU"
5745  ;;
5746esac
5747# TARGET_BASE_ARCH needs to be defined after TARGET_ARCH
5748if [ "$TARGET_BASE_ARCH" = "" ]; then
5749  TARGET_BASE_ARCH=$TARGET_ARCH
5750fi
5751
5752symlink "$source_path/Makefile.target" "$target_dir/Makefile"
5753
5754upper() {
5755    echo "$@"| LC_ALL=C tr '[a-z]' '[A-Z]'
5756}
5757
5758target_arch_name="$(upper $TARGET_ARCH)"
5759echo "TARGET_$target_arch_name=y" >> $config_target_mak
5760echo "TARGET_NAME=$target_name" >> $config_target_mak
5761echo "TARGET_BASE_ARCH=$TARGET_BASE_ARCH" >> $config_target_mak
5762if [ "$TARGET_ABI_DIR" = "" ]; then
5763  TARGET_ABI_DIR=$TARGET_ARCH
5764fi
5765echo "TARGET_ABI_DIR=$TARGET_ABI_DIR" >> $config_target_mak
5766if [ "$HOST_VARIANT_DIR" != "" ]; then
5767    echo "HOST_VARIANT_DIR=$HOST_VARIANT_DIR" >> $config_target_mak
5768fi
5769case "$target_name" in
5770  i386|x86_64)
5771    if test "$xen" = "yes" -a "$target_softmmu" = "yes" ; then
5772      echo "CONFIG_XEN=y" >> $config_target_mak
5773      if test "$xen_pci_passthrough" = yes; then
5774        echo "CONFIG_XEN_PCI_PASSTHROUGH=y" >> "$config_target_mak"
5775      fi
5776    fi
5777    ;;
5778  *)
5779esac
5780case "$target_name" in
5781  aarch64|arm|i386|x86_64|ppcemb|ppc|ppc64|s390x|mipsel|mips)
5782    # Make sure the target and host cpus are compatible
5783    if test "$kvm" = "yes" -a "$target_softmmu" = "yes" -a \
5784      \( "$target_name" = "$cpu" -o \
5785      \( "$target_name" = "ppcemb" -a "$cpu" = "ppc" \) -o \
5786      \( "$target_name" = "ppc64"  -a "$cpu" = "ppc" \) -o \
5787      \( "$target_name" = "ppc"    -a "$cpu" = "ppc64" \) -o \
5788      \( "$target_name" = "ppcemb" -a "$cpu" = "ppc64" \) -o \
5789      \( "$target_name" = "mipsel" -a "$cpu" = "mips" \) -o \
5790      \( "$target_name" = "x86_64" -a "$cpu" = "i386"   \) -o \
5791      \( "$target_name" = "i386"   -a "$cpu" = "x86_64" \) -o \
5792      \( "$target_name" = "x86_64" -a "$cpu" = "x32"   \) -o \
5793      \( "$target_name" = "i386"   -a "$cpu" = "x32" \) \) ; then
5794      echo "CONFIG_KVM=y" >> $config_target_mak
5795      if test "$vhost_net" = "yes" ; then
5796        echo "CONFIG_VHOST_NET=y" >> $config_target_mak
5797        echo "CONFIG_VHOST_NET_TEST_$target_name=y" >> $config_host_mak
5798      fi
5799    fi
5800esac
5801if test "$target_bigendian" = "yes" ; then
5802  echo "TARGET_WORDS_BIGENDIAN=y" >> $config_target_mak
5803fi
5804if test "$target_softmmu" = "yes" ; then
5805  echo "CONFIG_SOFTMMU=y" >> $config_target_mak
5806fi
5807if test "$target_user_only" = "yes" ; then
5808  echo "CONFIG_USER_ONLY=y" >> $config_target_mak
5809  echo "CONFIG_QEMU_INTERP_PREFIX=\"$interp_prefix1\"" >> $config_target_mak
5810fi
5811if test "$target_linux_user" = "yes" ; then
5812  echo "CONFIG_LINUX_USER=y" >> $config_target_mak
5813fi
5814list=""
5815if test ! -z "$gdb_xml_files" ; then
5816  for x in $gdb_xml_files; do
5817    list="$list $source_path/gdb-xml/$x"
5818  done
5819  echo "TARGET_XML_FILES=$list" >> $config_target_mak
5820fi
5821
5822if test "$target_user_only" = "yes" -a "$bflt" = "yes"; then
5823  echo "TARGET_HAS_BFLT=y" >> $config_target_mak
5824fi
5825if test "$target_bsd_user" = "yes" ; then
5826  echo "CONFIG_BSD_USER=y" >> $config_target_mak
5827fi
5828
5829# generate QEMU_CFLAGS/LDFLAGS for targets
5830
5831cflags=""
5832ldflags=""
5833
5834disas_config() {
5835  echo "CONFIG_${1}_DIS=y" >> $config_target_mak
5836  echo "CONFIG_${1}_DIS=y" >> config-all-disas.mak
5837}
5838
5839for i in $ARCH $TARGET_BASE_ARCH ; do
5840  case "$i" in
5841  alpha)
5842    disas_config "ALPHA"
5843  ;;
5844  aarch64)
5845    if test -n "${cxx}"; then
5846      disas_config "ARM_A64"
5847    fi
5848  ;;
5849  arm)
5850    disas_config "ARM"
5851    if test -n "${cxx}"; then
5852      disas_config "ARM_A64"
5853    fi
5854  ;;
5855  cris)
5856    disas_config "CRIS"
5857  ;;
5858  hppa)
5859    disas_config "HPPA"
5860  ;;
5861  i386|x86_64|x32)
5862    disas_config "I386"
5863  ;;
5864  ia64*)
5865    disas_config "IA64"
5866  ;;
5867  lm32)
5868    disas_config "LM32"
5869  ;;
5870  m68k)
5871    disas_config "M68K"
5872  ;;
5873  microblaze*)
5874    disas_config "MICROBLAZE"
5875  ;;
5876  mips*)
5877    disas_config "MIPS"
5878  ;;
5879  moxie*)
5880    disas_config "MOXIE"
5881  ;;
5882  or32)
5883    disas_config "OPENRISC"
5884  ;;
5885  ppc*)
5886    disas_config "PPC"
5887  ;;
5888  s390*)
5889    disas_config "S390"
5890  ;;
5891  sh4)
5892    disas_config "SH4"
5893  ;;
5894  sparc*)
5895    disas_config "SPARC"
5896  ;;
5897  xtensa*)
5898    disas_config "XTENSA"
5899  ;;
5900  esac
5901done
5902if test "$tcg_interpreter" = "yes" ; then
5903  disas_config "TCI"
5904fi
5905
5906case "$ARCH" in
5907alpha)
5908  # Ensure there's only a single GP
5909  cflags="-msmall-data $cflags"
5910;;
5911esac
5912
5913if test "$gprof" = "yes" ; then
5914  echo "TARGET_GPROF=yes" >> $config_target_mak
5915  if test "$target_linux_user" = "yes" ; then
5916    cflags="-p $cflags"
5917    ldflags="-p $ldflags"
5918  fi
5919  if test "$target_softmmu" = "yes" ; then
5920    ldflags="-p $ldflags"
5921    echo "GPROF_CFLAGS=-p" >> $config_target_mak
5922  fi
5923fi
5924
5925if test "$target_linux_user" = "yes" -o "$target_bsd_user" = "yes" ; then
5926  ldflags="$ldflags $textseg_ldflags"
5927fi
5928
5929echo "LDFLAGS+=$ldflags" >> $config_target_mak
5930echo "QEMU_CFLAGS+=$cflags" >> $config_target_mak
5931
5932done # for target in $targets
5933
5934if [ "$pixman" = "internal" ]; then
5935  echo "config-host.h: subdir-pixman" >> $config_host_mak
5936fi
5937
5938if [ "$dtc_internal" = "yes" ]; then
5939  echo "config-host.h: subdir-dtc" >> $config_host_mak
5940fi
5941
5942if test "$numa" = "yes"; then
5943  echo "CONFIG_NUMA=y" >> $config_host_mak
5944fi
5945
5946if test "$ccache_cpp2" = "yes"; then
5947  echo "export CCACHE_CPP2=y" >> $config_host_mak
5948fi
5949
5950# build tree in object directory in case the source is not in the current directory
5951DIRS="tests tests/tcg tests/tcg/cris tests/tcg/lm32 tests/libqos tests/qapi-schema tests/tcg/xtensa tests/qemu-iotests"
5952DIRS="$DIRS fsdev"
5953DIRS="$DIRS pc-bios/optionrom pc-bios/spapr-rtas pc-bios/s390-ccw"
5954DIRS="$DIRS roms/seabios roms/vgabios"
5955DIRS="$DIRS qapi-generated"
5956FILES="Makefile tests/tcg/Makefile qdict-test-data.txt"
5957FILES="$FILES tests/tcg/cris/Makefile tests/tcg/cris/.gdbinit"
5958FILES="$FILES tests/tcg/lm32/Makefile tests/tcg/xtensa/Makefile po/Makefile"
5959FILES="$FILES pc-bios/optionrom/Makefile pc-bios/keymaps"
5960FILES="$FILES pc-bios/spapr-rtas/Makefile"
5961FILES="$FILES pc-bios/s390-ccw/Makefile"
5962FILES="$FILES roms/seabios/Makefile roms/vgabios/Makefile"
5963FILES="$FILES pc-bios/qemu-icon.bmp"
5964for bios_file in \
5965    $source_path/pc-bios/*.bin \
5966    $source_path/pc-bios/*.aml \
5967    $source_path/pc-bios/*.rom \
5968    $source_path/pc-bios/*.dtb \
5969    $source_path/pc-bios/*.img \
5970    $source_path/pc-bios/openbios-* \
5971    $source_path/pc-bios/u-boot.* \
5972    $source_path/pc-bios/palcode-*
5973do
5974    FILES="$FILES pc-bios/$(basename $bios_file)"
5975done
5976for test_file in $(find $source_path/tests/acpi-test-data -type f)
5977do
5978    FILES="$FILES tests/acpi-test-data$(echo $test_file | sed -e 's/.*acpi-test-data//')"
5979done
5980mkdir -p $DIRS
5981for f in $FILES ; do
5982    if [ -e "$source_path/$f" ] && [ "$pwd_is_source_path" != "y" ]; then
5983        symlink "$source_path/$f" "$f"
5984    fi
5985done
5986
5987# temporary config to build submodules
5988for rom in seabios vgabios ; do
5989    config_mak=roms/$rom/config.mak
5990    echo "# Automatically generated by configure - do not modify" > $config_mak
5991    echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak
5992    echo "AS=$as" >> $config_mak
5993    echo "CC=$cc" >> $config_mak
5994    echo "BCC=bcc" >> $config_mak
5995    echo "CPP=$cpp" >> $config_mak
5996    echo "OBJCOPY=objcopy" >> $config_mak
5997    echo "IASL=$iasl" >> $config_mak
5998    echo "LD=$ld" >> $config_mak
5999done
6000
6001# set up qemu-iotests in this build directory
6002iotests_common_env="tests/qemu-iotests/common.env"
6003iotests_check="tests/qemu-iotests/check"
6004
6005echo "# Automatically generated by configure - do not modify" > "$iotests_common_env"
6006echo >> "$iotests_common_env"
6007echo "export PYTHON='$python'" >> "$iotests_common_env"
6008
6009if [ ! -e "$iotests_check" ]; then
6010    symlink "$source_path/$iotests_check" "$iotests_check"
6011fi
6012
6013# Save the configure command line for later reuse.
6014cat <<EOD >config.status
6015#!/bin/sh
6016# Generated by configure.
6017# Run this file to recreate the current configuration.
6018# Compiler output produced by configure, useful for debugging
6019# configure, is in config.log if it exists.
6020EOD
6021printf "exec" >>config.status
6022printf " '%s'" "$0" "$@" >>config.status
6023echo ' "$@"' >>config.status
6024chmod +x config.status
6025
6026rm -r "$TMPDIR1"
6027